A Darkness Threat
Nightmare Bonnie approaches in pitch darkness, so there is no visual to rely on.
Nightmare Bonnie occupies the left hallway in pitch darkness, and his only tell is breathing. If you searched nightmare bonnie frickbears, the fight is listening for the shift from slow to rapid, then flashing, and not falling for a fake retreat.
Nightmare Bonnie approaches in pitch darkness, so there is no visual to rely on.
His breathing shifts from slow to rapid when he is about to lunge, which is your only warning.
He can quiet his breathing temporarily to fake a retreat and bait you into lowering your guard.
He is the clearest breathing-rhythm read in the game, sharpening the same skill Ballora and Nightmare Foxy use.
He holds the left hallway of the nightmare sequence, pairing with Nightmare Freddy's bed pressure.
The temporary quiet is a bait, and dropping your guard there is the most common death.
Flashing on slow breathing wastes the stun window before he is actually lunging.
If two flashes fail, the door is the fallback, and waiting too long to use it is fatal.
Only 5 full seconds of silence means he is gone; anything less is the bluff.
By breathing. He approaches in pitch darkness, and the rhythm is the only tell.
When the breathing turns rapid, which signals he is about to lunge.
Yes. He quiets his breathing temporarily, so wait 5 seconds of silence before trusting the retreat.
Close the left door as a backup if two flashes do not stun him.