Not killed, more like knocked out...only way to kill them is through sealing, magic type abilites, completely destroying the body. but thos ethings are incredibly dense.
Heres a hint on how tough their bodies are. They are only about two and a half feet tall, their trunks have a circumference of about nine-ten inches, but they weigh slightly over a hundred pounds, and can move as fast as a monkey.
Welcome one and All to the Jesters Carnival, where the prizes are greater than your wildest dreams, but the nightmares here shall silence you before you can even scream.