Suikoden IEdit

Doubles your experience points

Suikoden IIEdit

Bearer receives 2x experience from battles.

Suikoden IIIEdit

A rune that doubles the experiecne value gained from defeated enemies.

Suikoden IVEdit

Bearer receives 2x experience from battles.

Suikoden TacticsEdit

Increases the amount of experience and skill points gained from battle (using items and support skills does not count).

Suikoden VEdit

A rune that causes all party members to gain double experience