Devereux made a quick decision in his mind: first, brew a batch of magic-enhancing potion for himself and Harry each to stabilize the current situation.
Then he would go to Snape's private stash to find some medicinal herbs that could strengthen the connection between the soul and magic, and brew a more potent body-repair potion.
In addition, he needed to continue strengthening the Eternity Charm.
Chapter 442