What Does It Mean That You Can All Transform?

The good news is that Mu Qinghuan traveled through time and entered an immortal version of the Pokémon world, taking the system with him. But the bad news is that Mu Qinghuan's system is a villain system, and it specifically allows him to fight against the protagonists in the game. But it doesn't matter, as long as he completes the task, he can get various rewards, and he is not afraid of facing the protagonist! But why can't the CG of his death fit into the entire book? In order to survive, Mu Qinghuan had no choice but to change his mind. The system asked him to go against the protagonist? Then he will do it in another way! Faced with a protagonist who is haunted by inner demons because of doubts about his abilities due to pressure at home? After being scolded severely in public, he taught her how to be lenient to herself and strict with others. The protagonist who is full of hatred for everything in the world when the bonded soul left behind by his mother was snatched away by evil people and beaten up instead? After giving her a severe beating, he took her and gave her a hard elbow to those who had hurt her, so that she could regain hope of life. In his spare time, Mu Qinghuan can also use his understanding of the plot to conquer those powerful bonded spirits, and then just eat and die while waiting for the protagonists to save the world. But... Wait! What does it mean that all contracted spirits raised by him will transform?