"As humanity evolved and reached various milestones so too has magic. We learned how to manipulate mana, converting them into elements that we can perceive. Then creating spells to easily convert mana into creating certain phenomena. However as humans we do have a limit. Our vessel's capaciity to contain it. Anything, organic or not has a certain amount of mana within them by default. However absorbing too much mana could create a certain phenomena called mana crystallization." She said as she brought out four handfuls of red crystals and absorbed the mana contained within them.
"This directly correlates to mana exhaustion. It's just a matter of you absorbing too much, or draining yourself into using your own life force." She said as the strands of mana vanished within her arms.