Source: Player’s Handbook
Level 1 Necromancy (Artificer, Sorcerer, Wizard)
Casting Time: Action Range: Self Components: V, S, M (a drop of alcohol) Duration: Instantaneous
You gain 2d4 + 4 Temporary Hit Points.
Using a Higher-Level Spell Slot. You gain 5 additional Temporary Hit Points for each spell slot level above 1.