Lucky for him, whether it's willing or not won't really matter.

Ignatius puts a hand on Strange's shoulder, in a way that feels like an almost congenial gesture. Unfortunately, all of that will slip away as he goes ahead and just plunges his fingers into Strange's third eye.

It's hard to be aware of any specific physicality after that point. It's not a pain you find in limbs or in wounds, it's a pain that fills the entire spirit - the pain of primordial flames filling his entire being.

It must be what hell feels like.