Came up with a rottmnt au but idk what to call it. But it's dark. Here's what the characters are like, essentially.
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Splinter — When he gives up the teapot that was the head of the dark armor, the debris that fell crushed and therefore killed him. His monologue about being themselves still happens but afterward he dies.
Donnie — He was the first. Rather than leaving, he stays with the Purple Dragons and even gets Sheldon to be a member. He becomes Kendra's right-hand man.
Mikey — Due to severe trauma he becomes a bipolar mess of Dr. Delicate Touch and Dr. Feelings. He had trashed their lair in a fight with himself and then ran away in fear of hurting the others.
Raph — Goes into that wild 'Raph is alone' state permanently after months of being lost in the sewers but when he finally locates the lair he finds it in utter disrepair.
Leo — Rescued from Baron Draxum's clutches by Big Mama and in return, became the champion of the Battle Nexus and has yet to lose the title.
April — She was convinced to join the Foot Clan by Foot Recruit and the two girls overthrew the prior leader and second-in-command. Now April is second in command and Foot Recruit is leader.
This is all I got rn but I want au names too! And don't worry, chapters are still being worked on!