Suikoden II
A rune that causes the user to become berserk after recieving damage equal to 1/2 max HP. 3× damage upon activation.
Suikoden III
A rune that causes the user to become berserk after recieving damage equal to 1/2 max HP. 3× damage upon activation.
Suikoden IV
A rune that causes berserk after wearer is hit twice. 1.5× damage upon activated.
Suikoden V
A rune that causes the user to enter violence state after being hit twice (user's next hit will do triple damage). Only activates once per battle.
Suikoden Tactics
A rune that causes berserk state + increased physical and magical defense when HP falls to 1/2 level.