"Wouldn't want to suggest something you can't take."
His eyes narrow a bit as he sizes Jack up, mulls over just what he's got in his arsenal that can't be matched. There is an advantage here, in strength and perhaps in stamina, most definitely in pretty breathing-related perks and maybe that's what he should play with. He doesn't have fancy toys. He's never needed them.
"That's what I'm interested in... seeing how well you handle. If you measure up. See, I'm used to not holding back... even if I knock down a few walls in the process. Think you can keep up with that?"