Actually, in Banishment 5E Spell you make an attempt to send one creature which you can see within a range to the another place of existence. Here the target must and should succeed on the charisma saving throw or else be banished. You do banish a specific target for a harmless demiplane but it happens if the target was native to the plane of an existence that you’re on.
While there, the target has been incapacitated. So, the target would remain there until the end of this dnd 5e spell, Actually, at which point the target will reappear in a space it left or else in a nearest unoccupied space if that space would be occupied.
Suppose, if the target was native to the varied from plane of existence which is the one you are on, actually the target has been banished by the faint popping noise and it is returning to its home plane.
Whenever in Banishment 5E, if the spell will end before passed a minute and then a target reappears in a space it left or else in the nearest unoccupied space suppose that space has been occupied. Otherwise, the target won’t be returned.
Also read => witch bolt spell dnd 5e
At Higher Levels:
Whenever you cast this dnd 5e Banishment spell using the spell slot of 5th level or higher, then you can easily target an additional creature for each slot above the 4th level.
D&D 5E Banishment Spell Attributes
|Casting Time||1 action|
|Classes||Paladin, Cleric, Sorcerer, Warlock, Wizard|
|Components||V S M|
|Duration||Up to 1 minute|
|Higher Spell Slot Desc||When you cast this spell using a spell slot of 5th level or higher, you can target one additional creature for each slot level above 4th.|
|Material||An item distasteful to the target|
|Target||One creature that you can see within range|