Messenger from the Future
Level 1: ATK +5%
Level 2: ATK +5.5%
Level 3: ATK +6%
Level 4: ATK +6.5%
Level 5: ATK +7.5%
Level 6: ATK +8%
Level 7: ATK +8.5%
Level 8: ATK +9%
Level 9: ATK +9.5%
Level 10: ATK +10%