Life represents how much damage a character can take before dying. The quantity of life points is calculated using their current level. Characters' life pips replenish their life over time outside of combat.
Max life cannot be reduced below 1. Life cannot be reduced below 1 from a chance in max life.
Characters have life (float) and max_life (float).
Characters' life, by default, is calculated as 20 * their current level + 80.