False Life

From Player's Handbook, page 239.

Description
1st-level necromancy


 * Casting Time: 1 action
 * Range: Self
 * Components: V, S, M (a small amount of alcohol or distilled spirits)
 * Duration: 1 hour

Bolstering yourself with a necromantic facsimile of life, you gain 1d4 + 4 temporary hit points for the duration.

At Higher Levels: When you cast this spell using a spell slot of 2nd level or higher, you gain 5 additional temporary hit points for each slot level above 1st.

Learned By

 * Classes: Artificer, Sorcerer, Wizard
 * Subclasses: Cleric (Death Domain), Cleric (Grave Domain), Fighter (Eldritch Knight), Rogue (Arcane Trickster), Warlock (The Raven Queen), Warlock (The Undying)
 * Warlock Invocation: Fiendish Vigor