Why did Pelias send Jason on a journey?

The rules of hospitality did not allow Pelias to deal with Jason directly without angering the gods. Pelias decided to send Jason away on an impossible journey. Pelias promised the throne to Jason if he could return with the Golden Fleecethe Golden FleeceJason (/ˈdʒeɪsən/ JAY-sən; Greek: Ἰάσων, translit. Iásōn [i. ǎːsɔːn]) was an ancient Greek mythological hero and leader of the Argonauts, whose quest for the Golden Fleece featured in Greek literature. He was the son of Aeson, the rightful king of Iolcos.

Is Jason a God in Atlantis?

After his father disappeared, Jason accidentally returned to his home world whilst searching for him, and began a new adventure in the city of Atlantis.
“You can’t go until you’ve cleaned this place!”

Species: Human/God
Myth of origin : Jason and the Argonauts
Aliases: Rightful Prince of Atlantis
Status: Alive