"As long as you believe me, Master." Lucifer nodded and placed both hands on the table, eyes lighting up in excitement. "This is a potion that I've been working on. It took me ages to get the right formula, and it probably sapped almost all of my magic energy for a while, but if it works, we should have a slow-acting restorative here!" He gave a very proud look, fists on his hips. "It works over time, so it wouldn't be useful at all right away, but it's good for boosting endurance, and can even be used to store up energy for a particularly powerful spell." He kept his stance for a moment before placing his hand awkwardly on the back of his head. "Or, at least, that's what it's supposed to do. The catch is that this is my first time making one. But it would be a huge breakthrough if it works!"