BloodBrigde

A creature of your choice that you can see within range regains Hit Points equal to 1d6 plus your spellcasting ability modifier.

The spell creates a bond between the caster and a willing creature with blood, that you can see. One looses 1d6 plus your spellcasting ability modifier HP and the other regains the same amount. this spell works only with humanoids wih are not undead or a construct. Using a Higher-Level Spell Slot. The HP-transfer increases by 1d6 for each spell slot level above 1.

Using a Higher-Level Spell Slot. The healing increases by 1d6for each spell slot level above 1.