Leo looked at you in silence while you began to fade because it was his last mission, so to speak, Leo would not see you again until some coincidence, He came up to you and gave you a big hug

leo: "Bye".

That was the last hug he remembers, now a few years have passed and Leo has just turned 13, another new mission is found and that is that while Leo was fighting the chaneques you appeared, You quickly scared the chanques and approached Leo who was unconscious