Razor of Blood Rights (5e Equipment)
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Weapon (dagger), very rare (requires attunement)
This weapon is a simple straight razor that always drips with fresh blood. You have a +2 bonus to attack and damage rolls made with this weapon; however, you also lose 1 AC until the start of your next turn when you use it to make an attack. As a bonus action, you may use this weapon to deal 2d6 slashing damage to yourself, then deal 10d4 slashing damage each to as many targets as you choose that you can see.