Character with this skill gets additional points of health, that increase with every increased level of the character. For example, the character of 260th level will get 1560 additional points of health. Works passively. Is studied in the Elite School of Survival, on the last guild level.
Formulas
nHP = HP+(Lev*L*2), where
nHP - An amount of life with a skill;
HP - An amount of life without a skill;
Lev - Level of character;
L - Level of skill.