Tales from the Fallen Gate
Scroll of protection from aberrations
Using an action to read the scroll encloses you in a invisible barrier that extends from you to form a 5-footradius, 10-foot-high cylinder. For 5 minutes, this barrier prevents aberrations from entering or affecting anything within the cylinder.
The cylinder moves with you and remains centered on you. However, if you move in such a way that an aberration would be inside the cylinder, the effect ends.
An aberration can attempt to overcome the barrier by using an action to make a DC 15 Charisma check. On a success, the creature ceases to be affected by the barrier.