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True Strike Divination cantrip

Casting Time: 1 action

Range: 30 feet

Components: S

Duration: Concentration, up to 1 round

Tags: bard sorcerer warlock wizard cantrip divination

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.

You can find more information on this spell in: PHB.284