The first category - Sniper, refers to all the skills that will be useful for a sharpshooter.
Ghost category, will affect your ability to sneak upon your enemies and eliminating them silently with your knife.
Each group of skills was divided into three rows (nine skills overall).
The first row will be unlocked automatically once you finish the prologue.
Scavenger
Increases gathered items by 50%.
Zen Master
Increases lung capacity by 50%.
You will be able to aim and hold your breath for longer.
Loot Sense
Containers with items are visible through walls in Scout Mode.
Drone Pilot
Unlocks additional slot for your drone.
Marksman
Reload your sniper rifle 20% faster.
Predatory Focus
it’s possible for you to see people through walls in Scout Mode.
Counter Sniper
Use Scout Mode to check line of sight of hostile snipers.
Pickpocket
Automatically search fallen bodies with a knife.
Efficient Crafter
Crafting traps requires less resources.
Hurt Locker
Explosive damage is reduced
Medic
Provides one additional health bar when using medicine.
Location of first-aid kit will be marked on your map.
Wraith
Jumping and walking generates 50% less noise.
Endurance
Permanently adds one additional health bar.
Crawler
Your movement while crouching will increase by 20%.
Spider
you could climb 20% faster.
Serial Killer
Removes the limit of enemies that can be killed in a row with the knife.
Thrifty
Crafting ammo costs less resources.
Runner
Your stamina decreases at a slower rate.
Bullet Packing
Additional ammo clip for your assault rifles.
Mule 1
One additional slot for your gadgets.
Cheaper Items
Better prices when purchasing gadgets and ammo.
Fast Hands
You reload your weapon 20% faster.

Mule 2
Additional slot for your gadgets.
Fortitude
Additional health bar.
Berserk
Unlimited stamina, if you are down to your last health bar.
Specific actions were assigned to each skill group.
Performing these activities will let you gain experience, needed to obtain more skill points.
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