Henry's transformation and changes were stupendous, but he wasn't the only one going through them.
As he felt the grand changes and stabilized his Realm to properly understand just what intricate boons he attained due to his Aspects of Existence being made up 98% of his soul, others were also going through a similar process as him!
Noah's exuberant soul had gone to bathe not just Henry, but also all the residual souls floating before him as similar to the experience with Henry, different parts of Noah's will were conversing with all existences affected.
For those who held traces of their souls left bound to him as Vassals, Noah had to drench them in the authorities of the Three Absolute Dynamis of Extremity to spur greater lifeforce and sufficiently regenerate enough of their souls for their very identities to reform!
And after this occurred…
"Barbatos."