"What kind of Arcane Technique is this, that it can have such an effect at the First Ring?"
Even Miss Luisa was amazed by this. She asked for some water to taste, then had Shard continue to water the professor.
Miss Luisa, being a Four-Ring Sorcerer, easily analyzed what Shard had failed to discern:
"Is this really Gluttony's Arcane Technique? It can actually transform emotions to replenish Life Energy. I see, it achieves Healing by replenishing Life Force. The feeling of fullness inside isn't an illusion, but a true state of satiety. It can be learned at the First Ring and can even be used on others. As far as we can see, the only side effect is that the desire to eat declines significantly for a short period. This is really... *burp*"
Shard turned his head in surprise, even stopping the act of giving the professor water. Miss Luisa's face visibly reddened, her lips tightly closed, her shoulders shrugged, and she forcibly suppressed the urge to burp again: