Berserker Axe

You gain a +1 bonus to attack and damage rolls .
Your hit point maximum increases by 1 for each
level you have attained.
Curse. You are unwilling to part with the axe.
You also have disadvantage on attack rolls with
weapons other than this one, unless no foe is
within 60 feet of you that you can see or hear.
Whenever a hostile creature damages you while
the axe is in your possession, you must succeed
on a DC 15 Wisdom saving throw or go berserk.