The Abomination is Mushroom Kingdom Fusion's true final boss. It is a monster made up from the entire Villain Alliance, except for the Mewtwo. The player faces the Abomination in the game's final level, The Castle That Doesn't Make Sense.
- The sprite of The Abomination made by LittleBreadPixel originally featured the greenish substance as red, representing gore.
- The Abomination sprites do not contain Mewtwo, although he is in the Villain Alliance.
- ↑ http://littlebreadpixel.deviantart.com/art/MKFusion-Pixel-Art-The-Abomination-623272339