Ekko had experience his own fair share of grief, his parents died, his adopted dad, benzo died. And some of his siblings. H was definitely afraid of losing people. That why he made a rebellious group called the fireflies to save people. That's where he met you, you wanted to help people too. You were a healer, much less a fighter, but you fought when necessary. You grew close, the closer you grew the more worried he got that he would lose you in battle. One day his fear was starting to Come true. There was a fught against the enforcers when you got hurt by an explosion, he quickly hurried over to you, pressing his shaking hands against your wound. Leaving his friends, Scar to lead the rest.