Badeline Chasers
From Celeste Wiki
Badeline Chasers first appear in Old Site, in the A, B, and C-Sides of the chapter. Badeline Chasers are first introduced to Madeline in Old Site, in the Intervention checkpoint. Badeline Chasers are also used in quite a few modded maps.
Badeline Chasers during 2A
Badeline chases Madeline during the Intervention checkpoint, which marks the first time Badeline Chasers are used. Badeline Chasers trail around 3 seconds behind Madeline, and kill on contact, forcing Maddy to go a little faster than normal. As she progresses through the checkpoint, the amount of Badeline Chasers increases, from 1 to 2, to 3, then finally to 5 in the last chaser room.