practiced on yin's awakened form. he would be more he accepts that he isn't just darkness, he has light, and the darkness and light within him balance resulting in his body changing from black to grey, the area in between. and he gains this outfit to represent the balance, his magic is powered up immensly as he specializes now in darkness AND light attacks

he still loves his plush but to protect it, it turns into a keychain in this form and changes back to his stuffed item when Yin changes back