Concentration

Concentration checks are made whenever a character is distracted during the act of casting a spell. It is also used to avoid the effects of the aunt skill.
 * Ability: Constitution
 * Classes: All
 * Requires Training: No
 * Check: The DC to avoid casting failure is equal to 10 + damage received + spell level. The caster receives a -4 penalty to his check if casting within three meters of an enemy.
 * Use: Automatic