Is there an ability that adds to the max health of a unit, and that can level, becaus so far iv seen that if you use the ability im thinking of (not really shure exactly which one it is, but whatever) only the first level works. O_o
There's an item ability that gives bonus health, it can have as many levels as you want. The only problem is that it doesn't have an icon. So make a dummy ability (sthg passive, i recommend Evasion), and a trigger with the event 'Hero learns a skill', condition 'Learned skill is equal to DummyAb', and action: If Learned skill level == 1 Add ItemAbility to TriggerUnit Else Set ItemAbility's level for TriggerUnit to LearnedSkillLevel