Hammer of Bogardan

While holding this weapon, you gain a +3 bonus
to attack and damage rolls made with this magic
weapon. When you hit with a melee attack using
this weapon, it deals an extra 1d8 fire damage.
This weapon has 5 charges. When you hit with a
melee attack using this weapon, you may expend
a charge to cast a 3rd-level Fireball spell (save
DC of 17) at the target. If you expend the
hammer's last charge, the head shatters and is destroyed for 1d100 days, after which it reforms
on the shaft.