“The boy cheerfully interrupted his weaving, pleased by the colourfull result. As his hands went down, he felt the flow build in his veins, and to the scream of his master he regretted the error -then he exploded.”
Through time those who figured how to use Magic learned that life as Mana Manipulator could be dangerous -energies tearing one apart and consuming things. Thus they began sharing knowledge about what was safe and what was not.
Thus came the Magic Paths to be, areas of manipulation defined in tight lists allowing a person to build up skills and potency without the dangers to one self and our World.