Kingdom Hearts BBS: Consumption of Darkness

This is alternate ending during Birth By Sleep so that mean Terra isn't Xehanort new body, so too is Ventus isn't Vanitas, the X-blade haven't been forge, and Aqua is the new Keyblade Master. They train in Olympic Coliseum with the help of Mickey, Donald, and Goofy, and meeting Zack who being flirty to her while both Xehanort & Vanitas are at large who are scheming for a revenge plan.

In this story, Ventus and Terra are training to be the next Keyblade Master while Aqua take responsibility & denied her feeling toward Zack Unnoticed to them, Xehanort and Vanitas are in the world of Sonic which is Eggmanland. The two team up with Eggman & also Kraang Sub-Prime from Dimension X to created the first Emblem/Pureblood Heartless named Necrocanis (or Dead Dog).

Also Xehanort told the three to gather many new allies for conquering worlds by using an alien technology that he stole, The Heart Of Darkness which he modified to consume worlds by using different Pureblood Heartlesses. But a robot named Fugitoid came, save them, and will help them to gather it's missing piece in other worlds. To make sure Ventus, Terra, and Aqua won't interfere, Eggman deployed his robots, creations, and henchmen to stop them. But they'll meet stole like the Emblem Heartless Cinos and a blue koala we all know.

Cinos owned by me.
Ventus, Aqua, Terra, and other related characters owned by Kingdom Hearts.
Zack owned by Final Fantasy.
Mickey, Donald, Goofy, & Olympic Coliseum owned by Disney.
Eggman, Metal Sonic, Sonic Boom, and other related characters owned by Sonic The Hedgehog.
Fugitoid, Lord Dregg, Sub-Prime, and other related characters owned by TMNT franchise.
Transformer: Prime, RID, and RB owned by Hasbro.
Legend Of Chima, Ninjago, and Mixel owned by Legos.
Chowder owned by Cartoon Network.
Kung Fu Panda and How To Train Your Dragon owned by DreamWorks.
Ice Age owned by Blue Sky & 20 Century Fox.
Monsters Inc. owned by Pixar & Disney.
Psychobos & other related character owned by Ben 10.