Starfield All Skills Points Unlocked – List of 300 Plus Skills

There are over 300 plus skills in Starfield and it can be overwhelming what to unlock first. To ease this task here is a list of every skill in Starfield and their Rank upgrade challegnes.

Skills Points is an essential part of character attribute in Starfield. Skills are an upgrade that will enhance your character’s Physical, Social, Combat, etc. capabilities of your character.  Unlocking skills itself requires a lot of work, and with over 328 skills it is time time-consuming process. To help you more with Starfield Skills Points Farming and Ranked Challenges, here is a list of every skill in Stafield. Also, there is vital info on how to rank up skills. This will save a ton of time in finding which is the best to pick at the start.

Starfield All Skills Points Unlocked

Starfield Skills Guide

Skills are divided into four categories in Starfield. Physical, Social, Combat, Science, and Tech. Every category has a 4-Tier Skill system, that starts from the least expensive to the most expensive ones. For example, in the first tier, you can unlock any skill with a single Skil point. For second tier requires 4 Skill Points, the third tier costs 8 Skill Ponts and the final fourth tier costs 12 Skill Points. With every tier upgrade Skills gets expensive and Skill Points comes in slowly in Starfield.

Physical Skills Tier 1

1. Boxing:

Rank 1 +25% Unarmed Attacks Damage
-25% Power Attack 02 Usage
Rank 2 +50% Unarmed Attacks Damage
-50% Power Attack 02 Usage
Rank 3 +75% Unarmed Attacks Damage
-30% Running 02 Usage in Fight & Unarmed
Rank 4 +100% Unarmed Attacks Damage
Chance to Knock Down Opponents

2. Fitness:

Rank 1 +10% Oxygen
Rank 2 +20% Oxygen
Rank 3 +30% Oxygen
Rank 4 Sprinting + Power Attacks will use Less O2

3. Stealth:

Rank 1 +25% Damage when Sneaking
+5$ Sneak Attack Damage with Suppressed Weapons
Rank 2 +50% Damage when Sneaking
+10% Sneak Attack Damage with Suppressed Weapons
Rank 3 +75% Damage when Sneaking
+15% Sneak Attack Damage with Suppressed Weapons
Rank 4 +100% difficult to detect when Sneaking
+20% Sneak Attack Damage with Suppressed Weapons
Interaction with Doors in Stealth will not Alert Enemies

4. Weight Lifting:

Rank 1 +10 Kg Carrying Capacity
Rank 2 +25 Kg Carrying Capacity
Rank 3 +50 Kg Carrying Capacity
Rank 4 +100 Kg Carrying Capacity & 50% Resistance to stagger

5. Wellness:

Rank 1 +10% Max Health
Rank 2 +20% Max Health
Rank 3 +30% Max Health
Rank 4 +40% Max Health

Physical Skills Tier 2

1. Energy Weapon Dissipation:

Rank 1 -5% Energy Damage
Rank 2 -10% Energy Damage
Rank 3 -15% Energy Damage
Rank 4 Health falls below 50%, 25% chance to reflect energy

2. Environmental Conditioning:

Rank 1 +10% Resistance to Airborne Environmental Damage
Rank 2 +10% Resistance to Thermal Environmental Damage
Rank 3 +10% Resistance to Corrosive & Radiation Environmental Damage
Rank 4 Reduced chance to gain affliction from Environmental damage sources.

3. Gymnastics:

Rank 1 Unlock Combat Slide Ability
-15% Fall Damage
Rank 2 Unlock faster speed in Zero-G
-20% Fall Damage
Rank 3 More Stability while Firing in Zero-G
-30% Fall Damage + Replenish some 02 after mantling
Rank 4 Get More Jump Height
Faster Running speed after Combat Sliding or Mantling

4. Nutrition:

Rank 1 +10% Food & Drink Effectiveness
Rank 2 +20% Food & Drink Effectiveness
Rank 3 +30% Food & Drink Effectiveness
Rank 4 +50% Food & Drink Effectiveness

5. Pain Tolerance:

Rank 1 -5% Physical Damage
Rank 2 -10% Physical Damage
Rank 3 -15% Physical Damage
Rank 4 5% Chance of No Physical Damage on Low Health

Physical Skills Tier 3

1. Cellular Regeneration:

Rank 1 Slight Injury Recovery
Rank 2 Moderate Injury Recovery
Rank 3 High Injury Recovery
Rank 4 20% of No Injury

2. Decontamination:

Rank 1 Slight Infection Recovery
Rank 2 Moderate Infection Recovery
Rank 3 High Infection Recovery
Rank 4 20% of No Infection

3. Martial Arts:

Rank 1 +15% Crit Chance in Melee or Unarmed Attack
Rank 2 +15% Chance to Disarm in Melee or Unarmed Power Attack
Rank 3 -10% Damage when Unarmed or holding Melee Weapon
Rank 4 Reflect 50% Damage when blocking Melee or Unarmed Attack

Physical Skills Tier 4

1. Concealment:

Rank 1 Enemies Mines Will Not Work
2.5x Normal Damage in Ranged Sneak Attacks
4x Normal Damage in Melee Sneak Attacks
Rank 2 Running while Sneaking will not affect Stealth.
3x Normal Damage in Ranged Sneak Attacks
5x Normal Damage in Melee Sneak Attacks
Rank 3 Chameleon-like Ability when still and sneaking
3.5x Normal Damage in Ranged Sneak Attacks
8x Normal Damage in Melee Sneak Attacks
Rank 4 Distant enemies can lose you in Stealth
4x Normal Damage in Ranged Sneak Attacks
10x Normal Damage in Melee Sneak Attacks

2. Neurostrikes:

Rank 1 +10% Chance to Stun enemies with Unarmed Attack
Rank 2 More EM Damage with Unarmed Attack
Rank 3 +20% Chance to Stun enemies with Unarmed Attack
Rank 4 Knock down enemies in close range after stunning the enemy

3. Rejuvenation:

Rank 1 Slow Health Regeneration Outside of Combat
Rank 2 Quick Health Regeneration Outside Combat
Rank 3 Faster Health Regeneration Outside Combat
Also Slowly Regenerate Health Inside Combat
Rank 4 More Faster Health Regeneration Outside Combat
Also Quickly Regenerate Health Inside Combat

Social Skills Tier 1

1. Commerce

Rank 1 -5% to Buy & + 10% to sell
Rank 2 -1% to Buy & + 15% to sell
Rank 3 -15% to Buy & + 20% to sell
Rank 4 -20% to Buy & + 25% to sell

2. Gastronomy

Rank 1 Craft Speciality Food & Drinks
Research Additional Recipes at Research Lab
Rank 2 Research & Craft Gourmet Food & Drinks
Rank 3 Research & Craft Food & Drink Delicacies
Rank 4 Food & Drink Crafting Does Not Use Resources
Research & Craft Exotic Recipes

3. Persuasion

Rank 1 +10% Persuasion
Rank 2 +20% Persuasion
Rank 3 +30% Persuasion
Rank 4 +50% Persuasion

4. Scavenging

Rank 1 Extra Credits while Searching Containers
Rank 2 Extra Ammo while Searching Containers
Rank 3 Extra Aid Items  while Searching Containers
Rank 4 Tracked resources using a Hand Scanner

5. Theft

Rank 1 Unlock Pickpocket Ability
Rank 2 10% of successful Pickpockets
Rank 3 30% of successful Pickpockets
Rank 4 50% of successful Pickpockets + steal Holstered Weapons

Social Skills Tier 2

1. Deception

Rank 1 10% Stronger Ships will surrender to piracy
-10% Enemy Contrabads Scans
Rank 2 20% Stronger Ships will surrender to piracy
-20% Enemy Contrabads Scans
Rank 3 30% Stronger Ships will surrender to piracy
-30% Enemy Contrabads Scans
Rank 4 50% Stronger Ships will surrender to piracy
-50% Enemy Contrabads Scans

2. Diplomacy

Rank 1 Force Target NPC at or below your level to Stop Fighting
Rank 2 Force Target NPC upto 10 Level higher to Stop Fighting
Rank 3 Force Target NPC upto 20 Level higher to Stop Fighting
Rank 4 Force Target NPC to Permanently stop Fighting (Unless they’re attacked again)

3. Intimidation

Rank 1 Force Target NPC at or below your level to Flee for a Limited Time
Rank 2 Force Target NPC upto 10 Levels higher to Flee for a Limited Time
Rank 3 Force Target NPC upto 20 Levels higher to Flee for a Limited Time
Rank 4 Intimidated targets can now flee for longer period

4. Isolation

Rank 1 +10% Weapon Damage & 15 Damage Resistance for equipped Spacesuit and helmet in the absence of crew or companion
Rank 2 +20% Weapon Damage & 30 Damage Resistance for equipped Spacesuit and helmet in the absence of crew or companion
Rank 3 +30% Weapon Damage & 45 Damage Resistance for equipped Spacesuit and helmet in the absence of crew or companion
Rank 4 +40% Weapon Damage & 60 Damage Resistance for equipped Spacesuit and helmet in the absence of crew or companion

5. Negotiation

Rank 1 Unlock Bribery in Speech Challenges
Rank 2 -25$ Bribery Cost
Rank 3 -50$ Bribery Cost
Rank 4 Bribery will not cost any money occasionally

Social Skills Tier 3

1. Instigation

Rank 1 Force Target NPC at or below your level to Attack their allies for a Limited time
Rank 2 Force Target NPC upto 10 Levels higher to Attack their allies for a Limited time
Rank 3 Force Target NPC upto 20 Levels higher to Attack their allies for a Limited time
Rank 4 Enemies will Attack their allies until they are dead.

2. Leadership

Rank 1 25% Faster Companion Affinity
Rank 2 +50 Companions Health & 50kg Carrying Capacity
Rank 3 Companions will occasionally heal when you get low health
Rank 4 2x Bonuses of Combat + Physical Crew Skills on Companions. Chances that Companions can pick themselves from the downed state.

3. Outpost Management

Rank 1 Place Additional Cargo Links at the Outpost
Rank 2 Construct Additional Robots at the Outpost
Rank 3 Assign Additional Crews to the Outpost
Rank 4 2x Outpost Extractors Speed

Social Skills Tier 4

1. Manipulation

Rank 1 Force Target NPC at or below your level to Obey Commands for a Limited time
Rank 2 Force Target NPC upto 10 Levels higher to Obey Commands for a Limited time
Rank 3 Force Target NPC upto 20 Levels higher to Obey Commands for a Limited time
Rank 4 Targets will now obey commands for a longer time.

2. Ship Command

Rank 1 Unlock 4 Active Crew Members
Rank 2 Unlock 5 Active Crew Members
Rank 3 Unlock 6 Active Crew Members
Rank 4 Unlock 8 Active Crew Members

3. Xenosociology

Rank 1 Force Target Alien up to 10 Leves Higher to stop fighting for a Limited time
Rank 2 Force Target Alien up to 10 Leves Higher to flee for a Limited time
Rank 3 Force Target Alien up to 10 Leves Higher to attack their allies for a Limited time
Rank 4 Force Target Alien up to 10 Leves Higher to obey commands for a Limited time

Combat Skills Tier 1

1. Ballistics

Rank 1 +10% More Damage with Ballistic Weapons
Rank 2 +20% More Damage with Ballistic Weapons
Rank 3 +30% More Damage with Ballistic Weapons
Rank 4 +30% More Range with Ballistic Weapons

2. Dueling

Rank 1 +25% More Damage with Melee Weapons & -10% Damage while wielding a Melee Weapon.
Rank 2 +20% Speed for 10 seconds in Melee Kills while running
Rank 3 +50% More Damage with Melee Weapons & -15% Damage while wielding a Melee Weapon
Rank 4 +10% Health on Melee Kills

3. Lasers

Rank 1 +10% More Laser Weapon Damage
Rank 2 +20% More Laser Weapon Damage
Rank 3 +30% More Laser Weapon Damage
Rank 4 5% Chance of Settings on Enemies on Fire with Laser weapon

4. Pistol Certification

Rank 1 +10% More Pistols Damage
Rank 2 +25% More Pistols Damage
Rank 3 +50% More Pistols Damage
Rank 4 +25% Critical Hit Chance for 5 seconds on Pistol Kill

5. Shotgun Certification

Rank 1 +10% More Shotgun Damage
Rank 2 +20% More Shotgun Damage
Rank 3 +30% More Shotgun Damage
Rank 4 Small chance of Stun extra targets with Shotgun kills

Combat Skills Tier 2

1. Demolitions

Rank 1 +25% Radius & visible Trajectory for throwing Grenades
Rank 2 +25% Explosive Damage
Rank 3 -25% Damage taken from Explosives
Rank 4 2x All Previous Bonuses

2. Heavy Weapons Certification

Rank 1 +10% Heavy Weapon Damage
Rank 2 +20% Heavy Weapon Damage
Rank 3 +30% Heavy Weapon Damage
Rank 4 +25% Physical Resistance while aiming down with Heavy Weapon

3. Incapacitation

Rank 1 +5% EM Weapon Damage
Rank 2 +10% EM Weapon Damage
Rank 3 +15% EM Weapon Damage
Rank 4 15% Chance EM Weapons Can do 300% Damage

4. Particle Beams

Rank 1 +10% Damage with Particle Beam Weapons
Rank 2 +20% Damage with Particle Beam Weapons
Rank 3 +30% Damage with Particle Beam Weapons
Rank 4 +5% Crit Chance with Particle Beam Weapons

5. Rifle Certification

Rank 1 +10% Rifles Damage
Rank 2 +20% Rifles Damage
Rank 3 +30% Rifles Damage
Rank 4 30% Faster Rifles Reload when you are Standing

Combat Skills Tier 3

1. Marksmanship

Rank 1 +3% Critical Hit chance with Non-Automatic Ranged Weapon
Rank 2 +8% Critical Hit chance with Non-Automatic Ranged Weapon
Rank 3 +15% Critical Hit chance with Non-Automatic Ranged Weapon
Rank 4 Critical Hit using Non-Automatic Ranged Weapon causes 2x damage without Scope & Knock-down enemies with scope

2. Rapid Reloading

Rank 1 30% Faster Reload Speed for Ballistic Weapons
Rank 2 30% Faster Reload Speed for Energy & EM Weapons
Rank 3 30% Faster Reload Speed for Beam Weapons + 50% chance to avoid getting interrupted while Reloading
Rank 4 +50% Reload Speed for 15 seconds on hitting enemies for all weapons

3. Sniper Certification

Rank 1 Steady + Less Sway for Scoped Weapons
Rank 2 Hold Breath for Longer while using Scoped Weapons
Rank 3 +25% Critical Hit Chance while aiming for a Headshot with a Scoped Weapon
Rank 4 +50% More Damage using Scoped Weapon

4. Targeting

Rank 1 Increased Accuracy and range when shooting without aiming
Marks 1 Enemy within 25m that damages you
Rank 2 Notable Increased Accuracy and range when shooting without aiming
Marks 2 Enemies within 50m that damages you
Rank 3 Greatly Increased Accuracy and range when shooting without aiming
Marks 3 Enemies within 75m that damages you
Rank 4 10% Chance to disarm target hits when shooting without aiming
Marks 4 Enemies within 100m that damages you

Combat Skills Tier 4

1. Armor Penetration

Rank 1 Attack ignores 15% of the target’s armor
Rank 2 Attack ignores 30% of the target’s armor
Rank 3 Attack ignores 50% of the target’s armor
Rank 4 -25% Enemy Armor for 6 seconds on Critical Hit

2. Crippling

Rank 1 +30% Chance of Human Enemies entering the downed state after taking enough damage
Rank 2 +50% Chances to Human Enenmies to naturally recover from downed state
Rank 3 Human Enemies can enter a downed state earlier
Rank 4 100% more damage to downed enemies. Also, previous ranks now apply to all enemy types

3. Sharpshooting

Rank 1 +50% Headshot Critical Damage with Ranged Weapon
Rank 2 +50% Leg Critical Damage with Ranged Weapon
Rank 3 +50% All Critical Damage with Ranged Weapon
Rank 4 Ranged critical hit kills to increase your critical hit chance with all-range weapons by 25% for 20 seconds

Science Skills Tier 1

1. Astrodynamics

Rank 1 +15% Grav Jump Range of Jump Drives
Rank 2 -15% Fuel Cost of Jump Drives
Rank 3 More Grav Jump Range & -30% Low Fuel Cost of Jump Drives
Rank 4 -50% Fuel Cost of Jump Drives

2. Geology

Rank 1 Get more common & uncommon inorganic resources from the surface objects
Rank 2 Get more rare inorganic resources from the surface objects
Rank 3 Get more exotic inorganic resources from the surface objects
Rank 4 Occasionally harvest additional rare resources from surface objects

3. Medicine

Rank 1 Med Packs, Trauma Packs and emergency Kits restore 10% Additional Health 10% faster
Rank 2 Med Packs, Trauma Packs and emergency Kits restore 20% Additional Health 20% faster
Rank 3 Med Packs, Trauma Packs and emergency Kits restore 30% Additional Health 30% faster
Rank 4 Med Packs, Trauma Packs and emergency Kits restore 50% Additional Health 10% faster + Chance to cure Affliction

4. Research Methods

Rank 1 -10% Resource requirement to craft items & complete Research Projects
Rank 2 -20% Resource requirement to craft items & complete Research Projects
Rank 3 -40% Resource requirement to craft items & complete Research Projects
Rank 4 Sudden developments during research are twice as common Resources required to craft items and complete research projects are reduced by 60%

5. Surveying

Rank 1 Med Packs, Trauma Packs and emergency Kits restore 10% Additional Health 10% faster
Rank 2 Med Packs, Trauma Packs and emergency Kits restore 20% Additional Health 20% faster
Rank 3 Med Packs, Trauma Packs and emergency Kits restore 30% Additional Health 30% faster
Rank 4 Med Packs, Trauma Packs and emergency Kits restore 50% Additional Health 10% faster + Chance to cure Affliction

4. Research Methods

Rank 1 +1 Zoom to Hand Scanner & + 20m Scan distance
Rank 2 New Zoom Level Unlocked to Hand Scanner & + 30m Scan distance
Rank 3 New Zoom Level Unlocked to Hand Scanner & + 40m Scan distance
Rank 4 New Zoom Level Unlocked to Hand Scanner & + 50m Scan distance

Science Skills Tier 2

1. Botany

Rank 1 Get more Common & Uncommon Organic Resources from Plants + Learn more about them from Scanner + Cultivate Plants at Outpost
Rank 2 Get more Rare Organic Resources from Plants + Learn more about them from Scanner
Rank 3 Get more Exotic Organic Resources from Plants + Learn more about them from Scanner
Rank 4 Harvest More Rare Resources from Plants + Learn about them quickly from the Scanner

2. Scanning

Rank 1 Detect Uncommon Organic resources on the Planet & Moon surfaces. Also, get more information about Ships in space
Rank 2 Detect Rare resources on the Planet & Moon surfaces. Also, get more specific information about Ships in space
Rank 3 Detect Exotic resources on the Planet & Moon surfaces. Also, get better combat information about Ships in space
Rank 4 Detect Unique Organic resources on the Planet & Moon surfaces. Also, get a full list of cargo on Ships in space

3. Spacesuit Design

Rank 1 Craft Improved Space Suit + Helmet + Pack Mods. Research additional mods in the Research Lab
Rank 2 Research & Craft Superior Space Suit + Helmet + Pack Mods
Rank 3 Research & Craft Cutting-Edge Space Suit + Helmet + Pack Mods
Rank 4 Occasionally No Resources are required to craft Space Suit + Helmet + Pack Mods

4. Weapon Engineering

Rank 1 Craft Improved Weapon Mods at Weapons Workbench. Research additional Weapon Mods at the Research Lab
Rank 2 Research & Craft Superior Weapons
Rank 3 Research & Craft Cutting-Edge Weapons
Rank 4 Research & Craft Master Level Weapon Mods

5. Zoology    

Rank 1 Harvest More Common Organic Resources from Creatures without Harming them & get additional info about the Creatures
Product Animal Resources at Outpost
Rank 2 Harvest Un-Common Organic Resources from Creatures & get additional info about the Creatures
Rank 3 Harvest Rare Organic Resources from Creatures & get additional info about the Creatures
Rank 4 Occasionally Harvest Additional Rare Resources from Creatures and learn more about them through the scanner.

Science Skills Tier 3

1. Astrophysics

Rank 1 Scans Moon of your current planet + 10% to discover a trait
Rank 2 Scans Any Planet or Moon + 20% to discover a trait
Rank 3 Scans Any Planet or Moon from 16 Light Years + 30% to discover a trait
Rank 4 Scans Any Planet or Moon from 30 Light Years + 50% to discover a trait

2. Chemistry

Rank 1 Craft Improved Chems + Research Additional Chems at Research Lab
Rank 2 Research & Craft Superior Chems
Rank 3 Research & Craft Cutting-Edge Chems
Rank 4 Occasionally get 3x Chems while crafting

3. Outpost Engineering

Rank 1 Construct Improved Outpost Modules and research additional at the Research Lab
Rank 2 Research and construct Superior Outpost Modules
Rank 3 Research & Construct Cutting-Edge Outpost Modules
Rank 4 Output Modules cost 50% fewer resources to build

Science Skills Tier 4

1. Aneutronic Fusion

Rank 1 1 Extra Unit of Power from Ship Reactors
Rank 2 2 Extra Units of Power from Ship Reactors
Rank 3 3 Extra Units of Power from Ship Reactors
Rank 4 4 Extra Units of Power from Ship Reactors

2. Planetary Habitation

Rank 1 Build Outpost on Planets with Extreme Temp (Deep Freeze & Inferno)
Build 4 Maximum Outpost
Rank 2 Build Outpost on Planets with Extreme Pressure
Build 8 Maximum Outpost
Rank 3 Build Outpost on Planets with Toxic and Corrosive Atmosphere
Build 12 Maximum Outpost
Rank 4 Build Outpost on Planets in extreme Gravity
Build 16 Maximum Outpost

3. Special Projects

Rank 1 Research Experimental Projects at Research Lab
Rank 2 Craft Rare Manufactured Components at Industrial Workbench
Rank 3 Craft Exotic Manufactured Components at Industrial Workbench
Rank 4 Craft Unique Manufactured Components at Industrial Workbench. Output Extractors will produce more additional resources.

Tech Skills Tier 1

1. Ballistic Weapon Systems

Rank 1 +10% Damage in Ballistic Ship & -20% cost in Targeting Mode
Rank 2 +20% Damage in Ballistic Ship & 15% recharge speed
Rank 3 +30% Damage in Ballistic Ship & 30% recharge speed
Rank 4 +50% Damage in Ballistic Ship to individual system

2. Boost Pack Training

Rank 1 Unlock Boost Packs
Rank 2 Boost Pack will expend less fuel
Rank 3 Boost Pack will regenerate quickly
Rank 4 2x Previous Bonuses

3. Piloting

Rank 1 Unlock Ship Thrusters
Rank 2 Increase Ship Turning Rate & maneuverability
Rank 3 Unlock the ability to fly Class-B Ships
Rank 4 Unlock the ability to fly Class-C Ships

4. Security

Rank 1 Hack Advance Locks + 2 Auto-Attempts
Rank 2 Hack Expert Locks + 3 Auto-Attempts
Rank 3 Hack Master Locks + 4 Auto-Attempts
Rank 4 Expend a digipick to eliminate keys that aren’t required to solve puzzles + 5 Auto-Attempts

5. Targeting Control Systems

Rank 1 Unlock Ship Targeting Function
Rank 2 -15% Time for Locking on Enemy Ship and -25% speed in Target-Locked Ships firing attack
Rank 3 -30% Time for Locking on Enemy Ship and +10% chance of Critical Hit on locked ship
Rank 4 -60% Time for Locking on Enemy Ship and +20% System Damage in Targeting mode

Tech Skills Tier 2

1. Energy Weapon Systems

Rank 1 +10% More Damage & -15% Cost in Targeting Mode
Rank 2 +20% More Damage & -30% Cost in Targeting Mode
Rank 3 +30% More Damage & -45% Cost in Targeting Mode
Rank 4 +30% Energy ship weapon recharge

2. Engine Systems

Rank 1 +10% Boost in Ship’s Top Speed
Rank 2 Longer Ship Boost & Shorter Cooldown
Rank 3 +20% Boost in Ship’s Top Speed
Rank 4 Enemies cannot Lock you as a target while boosting

3. Payloads

Rank 1 +10% More Ship Cargo Capacity
Rank 2 +20% More Ship Cargo Capacity
Rank 3 +30% More Ship Cargo Capacity
Rank 4 +50% More Ship Cargo Capacity

4. Shield Systems

Rank 1 +20% Ship Shield
Rank 2 +40% Ship Shield
Rank 3 +60% Ship Shield
Rank 4 Ship Shield resists 100% of all incoming damage

Tech Skills Tier 3

1. Missile Weapon Systems

Rank 1 +10% Damage with Ship Missiles & -20% Targeting Mode Cost
Rank 2 +20% Damage with Ship Missiles & -40% Targeting Mode Cost
Rank 3 +30% Damage with Ship Missiles & -60% Targeting Mode Cost
Rank 4 +20% Ship Missiles Range & Reload Speed

2. Particle Beam Weapon Systems

Rank 1 +10% Damage from Ship Particle Beam Weapons & -10% Targeting Mode Cost
Rank 2 +20% Damage from Ship Particle Beam Weapons & -20% Targeting Mode Cost
Rank 3 +30% Damage from Ship Particle Beam Weapons & -30% Targeting Mode Cost
Rank 4 Increased Critical Hit with Ship Particle Beam Weapons

3. Robotics

Rank 1 +10% Damage to Robots + Turrets. Force Robot up to 10 Levels higher to stop fighting for some time
Rank 2 +20% Damage to Robots + Turrets. Force Robot up to 10 Levels higher to flee for a limited time
Rank 3 +30% Damage to Robots + Turrets. Force Robot up to 10 Levels higher to attack their allies for a limited time
Rank 4 Command Robot up to 10 Levels higher for a limited time

4. Starship Design

Rank 1 Allows installation of improved ship modules
Rank 2 Allows installation of superior ship modules
Rank 3 Allows installation of cutting-edge ship modules
Rank 4 Allows installation of experimental ship modules

5. Starship Engineering

Rank 1 10% Speed in Ship Repair
Rank 2 Ship systems have a 25% increased damage mitigation
Rank 3 25% Speed in Ship Repair
Rank 4 Occasionally, repairing one block of a system will repair the entire system

Tech Skills Tier 4

1.  Automated Weapon Systems

Rank 1 +10% Damage from Automated Ship Weapons & -20% Targeting Mode Cost
Rank 2 +20% Damage from Automated Ship Weapons & -30% Targeting Mode Cost. – 20% Less Damage in Targeting Mode.
Rank 3 +30% Damage from Automated Ship Weapons & -40% Targeting Mode Cost. Crit Chance against targeted sub-system by 20%
Rank 4 40% boost in Ship Turrent Weapon Recharge & +20% More Damage to targeted sub-systems.

2. Boost Assault Training

Rank 1 Nearby Enemies will take damage on boost & can catch fire
Rank 2 Chance to Knock-down enemy in boost
Rank 3 Aiming down sights while boosting will let you hover in place. Fuel is still expended until empty
Rank 4 Time is slow when hovering and the world moves 70% slower around you

3. EM Weapon Systems

Rank 1 +10% Increased Damage on EM Ship Weapons & -15% Cost in Targeting Mode
Rank 2 +20% Increased Damage on EM Ship Weapons & -30% Cost in Targeting Mode
Rank 3 +30% Increased Damage on EM Ship Weapons & -45 Cost in Targeting Mode
Rank 4 EM Ship weapons have a small chance of instantly disabling enemy engines

As you can see there is a huge list of skills. Unlocking all of them will be tiring but players can prioritize the best ones. Like the combat section which will be useful in many ways. Tech Skills on the other hand apply more power to the ship. To help you more with finding out which to pick check our guide on Starfield Best Skills to start with.