Life Tether (TP)

The target must make a Wisdom saving throw. On a failure, a sickly green ethereal tether forms between you and your target. Whenever you take damage, each tethered target takes half that amount as necrotic damage. Damage dealt this way is distributed after any damage resistances or immunities are applied. If a target with a tether drops to 0 hit Points, they are no longer affected by the tether. As a bonus action, you can move the tether from one fallen foe to another target. The new target must succeed on a Wisdom saving throw or also be subject to the effects of this spell. A target may only have one tether attached to them from any instance of this spell at a given time.

At Higher Levels: When casting this spell using a spell slot of 4th level or higher, the number of tethers created is increased by one for every two slot levels above the 2nd.