True Strike

From Player's Handbook, page 284.

Description
Divination cantrip


 * Casting Time: 1 action
 * Range: 30 feet
 * Components: S
 * Duration: Concentration, up to 1 round

You extend your hand and point a finger at a target in range. Your magic grants you a brief insight into the target's defenses. On your next turn, you gain advantage on your first attack roll against the target, provided that this spell hasn't ended.

Learned By

 * Classes: Bard, Sorcerer, Warlock, Wizard
 * Subclasses: Cleric (Arcana Domain), Fighter (Eldritch Knight), Rogue (Arcane Trickster), Sorcerer (Aberrant Mind)
 * Races: Abyssal Tiefling, Aereni (High) Elf, Blue Merfolk, Cosi (Trickster) Creed Merfolk, Half-elf (High Elf Descent), High Elf, Ula (Water) Creed Merfolk, Valenar (Wood) Elf
 * Feats: Aberrant Dragonmark, Magic Initiate