Enthrall

Source: Player's Handbook

Level 2 Enchantment (Bard, Warlock)

Casting Time: Action
Range: 60 feet
Components: V, S
Duration: Concentration, up to 1 minute

You weave a distracting string of words, causing creatures of your choice that you can see within range to make a Wisdom saving throw. Any creature you or your companions are fighting automatically succeeds on this save. On a failed save, a target has a −10 penalty to Wisdom (Perception) checks and Passive Perception until the spell ends.