I Can Only Hold On For So Long

*KH3 SPOILERS* A canon-divergent AU taking place immediately after KH3 that asks the question "What if Sora didn't disappear but wasted away slowly instead?" The Destiny Trio are sent out into the worlds to defend the light. They're happy to finally be traveling together, but can their friendship weather the darkness or will they be separated? TW:Mental Illness, Injuries, Language