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:

• The creature can't willingly enter the cylinder by nonmagical means. If the creature tries to use teleportation or interplanar travel to do so, it must first succeed on a Charisma saving throw.
• The creature has disadvantage on attack rolls against targets within the cylinder.
• Targets within the cylinder can't be charmed, frightened, or possessed by the creature.

As you weave this spell, contemplation dawns on the beings it bars. Specific creatures concern you, yet the magic circle fends off distinct kinds. The architect of this enchanted pattern held a peculiar perspective on what constitutes a threat.