|Casting Time:||1 minute|
|Components:||V, S, M (holy water or powdered silver
and iron worth at least 100 gp, which
the spell consumes)
You create a 10-foot-radius, 20-foot-tall cylinder of magical energy centered on a point on the ground that you can see within range. Glowing runes appear wherever the cylinder intersects with the floor or other surface.
Choose one or more of the following types of creatures: celestials, elementals, fey, fiends, or undead. The circle affects a creature of the chosen type in the following ways:
When you cast this spell, you can elect to cause its magic to operate in the reverse direction, preventing a creature of the specified type from leaving the cylinder and protecting targets outside it.
At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the duration increases by 1 hour for each slot level above 3rd.