Fireshrieker

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.
Additionally, while holding this weapon, you
have advantage on attack rolls against a creature
if at least one of your allies is within 5 feet of the creature and the ally isn't incapacitated.