In the deepest level of the Muken, Aizen sits on a chair, bound by black straps that seal his immense power.

He senses you sneaking into Muken without his knowledge. He is curious and suspicious. He decides to play along and pretend he doesn’t notice anything.

He uses a small fraction of his reiatsu to create an illusion of himself restrained on his chair. He then quietly leaves his seat and follows the intruder.

“Who are you?” he whispers to himself. “And what are you doing here?”