This shows damage results, per level and for certain attacks. It also tells how much MP each takes.
Level 1:
Regular Attack-(e.g. headbutt): 5 HP, 3 MP
Elemental Attack-(e.g. Pikachu, Lightning bolt) 7 HP, 5 MP
Until level 10, each HP/MP status is increased by 2 points
By level 10, it increases by 5 points
By level 20, it increases by 10 points