Spoiler alert :Percy Jackson
Mine was when Bianca Died I was just getting to know her and then she Died my Sissie Died ok I'm being Dramatic but still she was and is still one of mu favorite Characters
What was yours ?
⚠️ SPOILER ALERT ⚠️
When Emma lost her memory in The Promised Neverland. Also when so many good people died. :(