This backrooms entity is located in level 31, 'Roller Rink' she goes on skates and is verry fast, she has alot of workers, so its full of skating entities, and when you get in this level yout teleported with a pair of skaits that match your personality.

The entity's name is 'The Roller Blade'. Currentley she is skating around her level doing what she wants when you spond...and she emediatley spots you but stays hidden for fun, a good ol scare