Suicide King (5e Equipment)
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Wondrous item, Legendary
A playing card, representing the king of hearts. It is made with of the finest materials and with the highest level of craftsmanship, and depicts a mirrored pair of kings calmly plunging swords into their heads in rich inks and gold leaf.
As a bonus action, a creature may flick this card, reducing them to 0 health. Arcana checks done to identify this item are made with disadvantage.