Ability:
    Starting from level 15 having a chance to dodge the attack 
    (chance depends on level).
    Restoring health by collecting Heartstones.

Getting Innervation XP:
    Innervation experience can be earned by collecting Heart Stones, which are 
    dropped by killing any mob (1 in 8 chance).


Health Restored per level

1 heart at level 15
2 hearts at level 30
3 hearts at level 45
4 hearts at level 60
5 hearts at level 75
6 hearts at level 90
10 hearts at level 99
