Blade of Glory's Wrath (5e Equipment)
From D&D Wiki
Weapon (greatsword), legendary (requires attunement by a creature of good alignment)
A ornately crafted golden blade once wielded by a great champion. You get +2 bonus to attack and damage rolls with this sword. You may stab this weapon into the ground as an action, activating its holy aura. This holy aura deals 1d6 fire damage and 1d6 radiant damage to all creatures of evil alignment within 60 feet of the blade at the end of your turn.