Blood Transference

Choose a creature within range, this creature feels their blood fighting to leave them. The creature makes a consitution saving throw, on a fail they take 8D8 Necrotic damage, on a success they take half.

The blood then floats through the air towards an injured creature of your choice, this creature heals for half of the damage taken.

At Higher Levels:  When you cast this spell using a spell slot of 6th level or higher, the damage increases by 1d8 for each slot level above 5th.