User blog comment:Crimson and Darkness/Shin DxD 3 discussion/@comment-216.237.211.162-20190826114913/@comment-79.25.53.144-20190826125107

No it doesn't work like that. Pieces cannot become mutation (it's different from the one inside Ise). There is the rule of the unused pieces that allow pieces to reincarnate more powerful creature according to the growth of the "king", but this doesn't evolve those pieces into mutations.