Cut it's head off and steal it's power.
The boys think there is a "Beast" on the island that intends them harm. The chant "Kill The Beast" is used to build up their courage to seek out and kill the beast.
You can't kill him, he is immortal
You can't its hard to kill an immortal bird so don't try to.
No, immortal people are people who could not be killed. They are invincible and nothing can kill them. Be aware that immortal people can kill exactly every living thing on Earth.
Zeus did not kill his parents, they were immortal.
you dont kill it
You can not kill a Fury, as they are immortal.
Roust them
You can't. He was a god, therefore he was immortal.
Zeus did not kill his father, he simply cut Kronos (or Chronos) into millions of pieces, and cast them into Tartarus.
You can not kill Artemis, she is a ancient immortal Greek goddess.
She is neither. Aphrodite is a Greek goddess, thus making her immortal.