Health Points more known at HP is the Health Bar thats show you the Damage you got. When the bar is empty you will get K.O.
What to get it[]
You automatically get it when you start to play.
How to empty it[]
You need to get damaged by attacks , Elemental effects , pets, and even Single use attack items.
How to heal it[]
Some Single use items like Potions can heal full you HP Bar.