Netherbane (5e Equipment)
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Weapon (glaive), very rare (requires attunement)
A masterwork in metal, Netherbane is a piece from the greater heavens. As grand and elegant as it may appear, it is much more exemplary in power than grace. You have a +2 to damage rolls with this weapon.
When making an attack with this weapon, you can take a -3 to the attack roll. On a hit, you deal an extra 2d10 damage, and the damage is dealt as radiant.