Shielded Arm

One willing creature you touch has reinforcing veins of ore run through his or her arm, letting it ward off blows with his or her bare skin. The creature gains 20 Temporary Hit Points. While the creature has any of these Temporary Hit Points remaining, its arm counts as though the creature were wearing a Large Shield, granting a +2 to its AC, but does not disrupt spellcasting nor take up its hand. When these Temporary Hit Points are gone, the spell ends.   At Higher Levels. When you cast this spell using a higher level spell slot, increase the Temporary Hit Points granted by 10 for each slot level above its base level.
 

 

 

Reinforcing veins of ore run through the target's arm, letting it ward off blows with its bare skin. It can use the Raise a Shield action to instead raise its arm, gaining a +2 circumstance bonus to AC. It can Shield Block with its Raised arm as well; when it does, the target reduces the damage as if it had a shield with Hardness 4 and 15 Hit Points. This shield doesn't have a Broken Threshold, and the spell ends if the shield's Hit Points are expended.   This spell doesn't modify the target's unarmed attacks and can't be used to make a shield bash Strike. Casting or coming under the effects of this spell also counts as using a metallic item with regards to anathema.

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Heightened (+2) The Hardness increases by 4, and the Hit Points increase by 15.