issei mutation

after the battle of the chaos Brigade issei used too much of the power of the boosted gear his evil pieces and his human DNA armitated the doctor said if he use his boosted gear one more time he'll become a monster team DxD is worried rias akeno koneko Asia irina xenovia kiba Gasper Ravel even the leaders on Supernatural world Azazel and sirzechs I'm worried about issei use of the boosted gear issei sacred gear and other people who are his friends saji,sone, tsubaki,sirechs,grayfia,ajuka,serafall,riser and these people are also parting DxD