In a principle, it was actually similar to the potion that increased their base mana amount.
But the difference was that this fountain would use their lives in exchange for it. Since lives were a bit vague, one could also say that what it consumed was their own vitality.
They were still young and would not feel it too much.
But when they were already advanced in age, they would realize that it was really hard to replenish their vitality.
"How does it work?" Yun asked.
"It's like this…" Aya explained the principle simply. "The water is like the potion that can increase your mana but rather than using the medicinal materials that would help your body to increase your mana naturally, it was using the vitality in your body to increase your mana quickly. You can also say that it's pushing your potential faster for a period of time. The end result is that your vitality will decrease and in the future, your life will not be as long as it originally is."
