Geas

Casting Time: 1 minute
Range: 60 feet
Duration: 30 days
You place a magical command on a creature that
you can see within range, forcing it to carry out
some service or refrain from some action or
course of activity as you decide. If it resists, it
takes 5d10 psychic damage each time, up to once
per day.
See PHB, pg. 244