The Price of Strength S
Boosts SPD by 40~50. After defeating an enemy, boosts ATK by 10~15%, but makes them no longer grant AP.
The Price of Strength M
Boosts SPD by 50~60. After defeating an enemy, boosts ATK by 15~20%, but makes them no longer grant AP.
The Price of Strength L
Boosts SPD by 60~70. After defeating an enemy, boosts ATK by 20~30%, but makes them no longer grant AP.
The Price of Greed
Boosts SPD by 70~80. Normal attacks don't grant AP, but boosts ATK by 30~40% when you defeat an enemy. Increases critical damage by 20~30%.