Life Transference
3rd-Level Necromancy
Casting Time: 1 action
Range: 30 feet
Components: VS
Duration: Instantaneous
As in Xanathar's Guide to Everything except:
At Higher Levels: When you cast this spell using a spell slot of 4th level or higher, the damage increases by 2d8 for each slot level above 3rd.
Source: XGE 160
