Blur

From Player's Handbook, page 219.

Description
2nd-level illusion


 * Casting Time: 1 action
 * Range: Self
 * Components: V
 * Duration: Concentration, up to 1 minute

Your body becomes blurred, shifting and wavering to all who can see you. For the duration, any creature has disadvantage on attack rolls against you. An attacker is immune to this effect if it doesn't rely on sight, as with blindsight, or can see through illusions, as with truesight.

Learned By

 * Classes: Artificer, Sorcerer, Wizard
 * Subclasses: Druid (Circle of the Land (Desert)), Fighter (Eldritch Knight), Rogue (Arcane Trickster), Warlock (The Genie (Marid)), Warlock (The Hexblade)
 * Feats: Svirfneblin Magic