• The combos in Disgaea 3 Absence of Justice can be executed when two classmates are sitting next to each other. Players must formulate a relationship with classmates in order to combine special skills with Skill Merge. Disgaea 3: Absence of Justice Skill merge allows characters to create skill combos. Skills that knock-back or move the target in anyway can be used in a combo if the knockback attack is inputted first.GameFAQs: Combos? Players can create almost limitless amounts of combos. Disgaea 3: Absence of Justice