When you hit an attack with this weapon, a blue aura sheds dim light within a 15-foot radius around you and lasts until the end of your next turn. Friendly creatures within this radius whose alignment matches your own make attack rolls, saving throws, and ability checks with advantage. In addition, you may cast 1st- level spells you have prepared without expending spell slots, though the spell's effect is as if cast with a 1st-level slot.

Proficiency with a warhammer allows you to add your proficiency bonus to the attack roll for any attack you make with it.

Notes: Advantage: Ability Checks, Advantage: Saving Throws, Advantage: Melee Attacks, Advantage: Ranged Attacks, Advantage: Spell Attacks, by a spellcaster, Buff, Combat, Versatile