Fierce Battle
Level 1: ATK +15%
Level 2: ATK +15.5%
Level 3: ATK +16%
Level 4: ATK +16.5%
Level 5: ATK +17.5%
Level 6: ATK +18%
Level 7: ATK +18.5%
Level 8: ATK +19%
Level 9: ATK +19.5%
Level 10: ATK +20%