The Lost One (Cal-Horra) is a being who stated to existed before the creation of omniverse was created by Celestials he would later go onto create The Beyonders himself giving them a piece of his power the Beyonders would soon turn against him and stole his power trapping him outside of the multiverse who later go on to erase him history and claim they were created by Celestials. Now the prison that kept The Lost One failed which has allowed him to begin his hunt for Beyonders to reclaim his power
Powers and Abilities
As The Lost One is responsible for The Beyonders and that they use his power and fear him he is one of the strongest Marvel characters but unlike The Beyonders he is unable to hurt Celestials and even those who are covered in Celestial blood are able to fight him