Rending Axe (5e Equipment)
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Weapon (any axe), very rare (requires attunement)
The Axe of Rending is a famous axe, renowned for enhancing the the wielder's martial abilities. You have a +2 bonus to attack and damage rolls with this weapon and the weapon counts as adamantine for the purpose of overcoming resistance and immunity to nonmagical attacks and damage..
Rend Asunder. This axe has 7 charges. On a hit with this weapon, you can expend any number of charges to gain the desired effects.
Blood Fury. On a critical hit, you can expend 1 charge to deal maximum damage with the damage dice from this weapon.
Relentless Assault: After an enemy creature of CR 1 or higher is reduced to 0 hit points on a critical hit from this weapon, you can expend 2 charges to perform an additional Attack action.
Deathblow (1/day): When you roll a 1 on The d20 for an attack roll with this weapon, you can instead spend 4 charges to treat the attack as a critical hit.
Headhunter: As a bonus action, you can expend 7 charges from this axe to call forth the spirit of the einherjar to possess you. This gives the following benefits:
This effect lasts for 1 minute. After the effect ends, you must make a DC 18 Constitution save. On a failed save, you gains 4 points of exhaustion. On a successful save, you only gains 2 points of exhaustion.
This axe regains 1d2 charges at midnight, or regains all charges on a full moon if exposed to the light for 1 hour.