Hypnotic Pattern

3rd-Level Illusion
Casting Time: 1 action
Range: 120 feet
Components: SM (a glowing stick of incense or a crystal vial filled with phosphorescent material)
Duration: (C) 1 minute

You create a twisting pattern of colors that weaves through the air inside a 30-foot cube within range. The pattern appears for a moment and vanishes. Each creature in the area who sees the pattern must make a Wisdom saving throw. On a failed save, the creature becomes charmed for the duration. While charmed by this spell, the creature is incapacitated and has a speed of 0.
The spell ends for an affected creature if it takes any damage or if someone else uses an action to shake the creature out of its stupor.
At Higher Levels. When you cast this spell using a spell slot of 5th level or higher, the duration increases to 10 minutes. When you use a spell slot of 7th level or higher, the duration increases to 1 hour.

Source: PHB 218, SRD

Changelog