Geas

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 the creature can understand you, it must succeed on a wisdom saving throw or become charmed by you for the duration. While the creature is charmed by you, it takes 5d10 psychic damage each time it acts in a manner directly counter to your instructions, but no more than once each day. A creature that can't understand you is unaffected by the spell. You can issue any command you choose, short of an activity that would result in certain death. Should you issue a suicidal command, the spell ends. You can end the spell early by using an action to dismiss it. A remove curse, greater restoration, or wish spell also ends it.

At Higher Levels. When you cast this spell using a spell slot of 7th or 8th level, the duration is 1 year. When you cast this spell using a spell slot of 9th level, the spell lasts until it is ended by one of the spells mentioned above.

Geas places a magical command on a creature to carry out some service or to refrain from some action or course of activity, as desired by the caster. The target creature must be able to understand the caster for this spell to take effect. While a geas cannot compel a creature to kill itself or perform acts that would result in certain death, it can cause almost any other course of activity.

A saving throw vs. Spells will allow an unwilling target to resist a geas when it is first cast. However, the target may choose to accept the geas, typically as part of a bargain with the caster to perform some service.

The geased creature must follow the given instructions until the geas is completed, no matter how long it takes.

If the instructions involve some open-ended task that the recipient cannot complete through his or her own actions, the spell remains in effect for a maximum of one day per caster level. A clever recipient can subvert some instructions, at the GM's discretion.

For every 24 hours that the subject chooses not to obey the geas (or is prevented from obeying it), it suffers a –2 penalty to each of its ability scores, up to a total of –8. No ability score can be reduced to less than 3 by this effect. The ability score penalties are removed 24 hours after the subject resumes obeying the geas.

A geas (and all effects thereof) can be ended by a remove curse spell, or by a wish, or by the reverse of this spell. Dispel magic does not affect a geas.