Immortality

History
500 years ago, at the age of 9, Krentok invented the spell, casting it on himself. About 200 years later, Kelik Seloren cast the spell on him, which cause the Kingdom of Seloren to split into the two large guilds, Warriors' Guild and Mages' Guild.

Users

 * 1) Currently unnamed genius child, who invented it.
 * 2) Kelik Seloren, who used it wanting to be the king forever.