Withered Foxy is unique among the animatronics as he is not deterred by the Freddy Fazbear Head. His primary method of attack is to rush down the main hallway. You will hear a distinct 'thump-thump-thump' sound as he approaches. To deter Withered Foxy, you must repeatedly flash your flashlight at him in the main hallway. Do not stop flashing until he retreats. If he makes it into your office, he will stand there for a moment before jump-scaring you. It's crucial to check the main hallway frequently with your flashlight, especially after you hear his footsteps. A quick flash every few seconds is often enough to keep him at bay. Conserve your flashlight battery, but prioritize Foxy when he's active.
