He still doesn't know what to think of the Pinkie Pie, but he does consider the possibility of being poisoned. Dragons didn't seem affected by most toxins. The beasts, when he was told about them, had their own magic protecting them. Only his psypher blade had actually managed to fell them save for one. If eating this 'cupcake' was the only way to get this one to stop insisting, he may as well and trust this new both to be unaffected by poison.

Reaching with his claw, his wing drags and he's not sure about grabbing it without crushing it. Instead, he ends up piercing it with a claw and bringing it back to his mouth. There's no several bites to eat it, but only one.