Minutes after killing Viscount Symons, Vicente arrived at the Mazzanti estate, carrying the motionless body of Sarah Mercer while being quite tired, with injuries here and there.
He had encountered 5 new opponents on his way here and killed them all, as they were level 5 Acolytes and a Low-level Mage. However, despite defeating these new opponents, Vicente still suffered a bit from them, considering how hard he had already labored tonight.
Potions didn't instantly restore 100% of a magician's strength, and even after a few minutes of using such a resource, a magician wouldn't be as well off as if they hadn't fought at all.
If the potion didn't have a stimulating property, it wouldn't bring the person who consumed it to their best state even after its full effect. Not only that, but the potions could heal mana and physical injuries, but not mental ones.