>>5439472>>5439487Hmm, looking further it appears that Darioq was himself demon possesed which could explain it.
At the same time, yes, I think for a Techpriest to best a marine or a termie they must at least have a frame as strong as either of them, and possibly application of leverage and hydraulics. To the point of being more monstrously large than the Terminator themself. It's not impossible given we also have examples of Ork Power Klaws using basic principles of applied pressure and leverage to crack ceramite armor open.
Or as QM said, disassembling it with powerful beamcutter weaponry rather than literally rending it.
More the point that give any human enough transhuman resources, time and experience they can go pretty far. Like that Lord of Gardinaal that dueled Ferrus and didn't instantly die.