You conjure the bones of the dead to construct a set of dreadful armor to protect you. You summon the bones of all deceased creatures within 100 ft. of you (or loose bones somewhat coinciding to the amount of a creature), gaining temporary hitpoints based on the size of the creature as they form a protective shell over you:
Medium: 5
Large: 10
Huge: 20
Gargantuan: 50
Each individual creature provides its own value of temporary hitpoints. Once used for the purpose of this spell, a corpse cannot be used again. For every 10 temporary hitpoints you gain in this manner, you gain a +1 bonus to your AC (maximum of +3) as long as you possess temporary hitpoints from this spell. While encased in this armor, you are vulnerable to bludgeoning damage and immune to necrotic damage. The spells ends after one hour, when you choose to dispell it, or when the temporary hitpoints granted by it are depleted.
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