Blunt-force testing of armaments, bladed weaponry, spiked weaponry, spiked bladed weaponry, starvation training, dehydration training, deep sea pressure training--oh, but you could avoid that and substitute it with high altitude, low oxygen training--

[Coby then proceeded to list off an insane list of things that sounded a lot more like ways to painfully murder a person.]

Against your own body. [He added it at the end for clarification.]