decalcify but not disrupt bone

You decalcify the Shyl'Argrul guard's bones making them brittle. <> A fire elemental's flaming bite TORCHES the Shyl'Argrul guard! The Shyl'Argrul guard's defilement wounds Conjie. The Shyl'Argrul guard's defilement wounds Conjie. Warrior's claw DISMEMBERS the Shyl'Argrul guard! Warrior's claw DISMEMBERS the Shyl'Argrul guard! <> c 'disrupt bone' guard The Shyl'Argrul guard lacks a bone structure that you could disrupt. There is bones that I can decalcify, but not any to disrupt.