Thorns' Rest

Choose a creature that you can see within range. A surge of pain and agony washes through the creature, having it writhe in pain... But the action also causes it to start... healing.  It heals up to 5 HP, but it can onlyu be used once every short rest.This spell has no effect on constructs or undead.

At Higher Levels. When you cast this spell using a spell slot of 7th level or higher, the amount of healing increases by 10 for each slot level above 6th.