how to get they all live trophy 2

https://blast-wiki.win/index.php/Mastering_the_Butterfly_Effect_Strategy_Until_Dawn:_A_Tactical_Guide

To unlock the They All Live trophy, you need to ensure every character in your party survives the final boss battle. Keep your team healed and focus on reviving anyone who falls before the fight ends. It's tricky on higher difficulties, so save often and time your healing items wisely.