Medical Tree
Tier 1

Animal Tamer
This skill reduces the damage taken by animals by 4% per level
(Maximum Level 15)
(Maximum Level 15)

Duelist
This skill reduces melee damage by 3% per level
(Maximum Level 15)
(Maximum Level 15)

Maintenance
This skill reduces durability loss by 3% per level
(Maximum Level 15)
Excludes keycards
(Maximum Level 15)
Excludes keycards
Tier 2

Defensive Tactics
This skill decreases damage done by scientists by 2% per level
(Maximum Level 15)
(Maximum Level 15)

Resourceful
This skill gives you a 1% per level of not consuming a bullet when firing your gun per shot
(Maximum Level 20)
(Maximum Level 20)

Tactical Adv
This skill increases the damage done to humanoid NPCs by 2% per level
(Maximum Level 25)
(Maximum Level 25)
Tier 3

Headshot
This skill gives you a 1% of critically damaging a player in PVP when hit
Critical Damage Bonus: 30%
(Maximum Level 10)
Critical Damage Bonus: 30%
(Maximum Level 10)

Assassin
This skill will increase the amount of damage you do in PVP by 1% per level
(Maximum Level 20)
(Maximum Level 20)

Guarded
Reduces the damage received in PVP by 2% per level
(Maximum Level 15)
(Maximum Level 15)

Camoflauge
Temporarily makes you undetectable to Zombie Hordes
Max level 30m CD / 60s Duration
(Maximum Level 25)
Max level 30m CD / 60s Duration
(Maximum Level 25)
Ultimate

Vampiric Tendencies
ULTIMATE: This skill will heal you for 5% of the damage done to NPCs