User blog comment:B214/Volume 23 discussion blog/@comment-78.49.82.128-20170426011622/@comment-78.48.65.206-20170426160714

Vali-sama could control his JG thanks to Lucifer heritage. The JG unleashed the full power of heavenly dragon, this the reason why they died, because the host use all his life force and he loose his sanity. But Vali-sama managed to surpass this form. He his has a higher transformation. DxD Vali-sama is the strongest.