Nidoplate (5e Equipment)
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Armor (plate), very rare (requires attunement)
This magical plate was forged from the hide of an ancient, magical beast as mighty as it is venomous.
While wearing this armor, you have resistance to both lightning damage and poison damage. You also have advantage on saves against being poisoned.
If you are hit by a melee attack while wearing this armor, you can use your reaction to cast lingering poison (DC 15) on the attacking creature. When cast in this way, the spell does not require your concentration. Once a creature makes the saving throw for this spell, regardless of success or failure, it automatically succeeds on all further saving throws against this effect.
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