In this geas 5e spell you do place a magical command on a specific creature which you can able to see within a range, and even forcing it to carry out some of the services or refrain from some action or else the course of activity like you decide. Perhaps, if that particular creature clearly understand you, it must succeed on a wisdom saving throw or else must become charmed by you for a specific duration.
During the creature has been charmed by you, and it takes 5d10 psychic damage for each of its time it acts in a manner directly counters to your instructions, but not more than once in each of the day. Actually, a creature which can not understand you has unaffected by the spell.
Of course, you can able to issue any of the command that you can chose, short of an activity which would result in ceratain death. But should you issue a suicidal command?, and then the spell ends.
In this geas dnd 5e you can even able to end the spell as early as you want by using an action to intentionally dismiss it. Of course, even the other spells like a remove curse, greater restoration or else a wish spell can also ends it.
Also check encode thoughts 5e spell
At Higher Levels:
Whenever you cast this dnd 5e geas spell by using the spell slot of 7th or 8th level, the duration would be 1 year. But whenever you cast this spell by using the spell slot of 9th level, the spell will last until it has been ended by one of the spells which are mentioned above.
Attributes Of DnD Geas
|Casting Time||1 minute|
|Classes||Bard, Cleric, Druid, Paladin, Wizard|
|Higher Spell Slot Desc||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.|
|Target||A creature that you can see within range|