After absorbing everyone in Care-A-Lot to become happy, he has also absorbed No-Heart and taken down there Legendary Star leader, absorbed him to become completely powerful and perfect to his likeness, but he still felt grumpy, like it was never enough and he cared less for any of the humans on Earth so he decides to open portals to other dimensions to see what he can absorbed and found a planet full of horses with symbols on there flanks, and felt that this planet also had strange power that felt good to him, and Grumpy has also felt the really big one coming from there leader, he would become very very powerful and happy if he adsorbed these horses and there leader.