Yellow help? Who to assend first and why

Ok Lionidas or Onetel?
He hits well & self heals
She hits 3 ok and grabs Mana that’s added
Can not deside!

Leo might do more for you over all

IMO Onatel, much def and hp. 5* mana control are very good, Hel, Alasie. I really like my LJ and Merlin.
Leo can help you, Onatel can change your game.