*Yeeeah; this reply is utterly random and nonsensical and I have no excuse*
[After the crab is defeated and slain...]
*Mechanical whirring is heard from within the dead crab's body...something that should not be happening*
Rarity: "What in the world...it's a machine?!"
[a panel on the "crab's" face slides open with a mechancial hiss...revealing a regular-sized crab piloting the much larger mechanical crustacean. He looks up at the (to him) giant unicorn who wrecked his mech and whimpers]