Tilting his head, Sentinel presses his thumb into it. Then drops his hand down. Okay, he's fairly certain Optimus is real.

"Don't know. I like to think I would not have fought Megatron if I had."

That's a lie, he hates Megatron enough that he absolutely would've even with what he's learned here. He just decides that pretending to not want to rip the miner to pieces and play kickball with his organs is better for his survival than admitting it.

He shrugs. "Maybe it was just bad energon."