(Thank you very much to "Shattered Starry Sky" for the 10,000 reward, "Doushi Wo Xiaodi" for the 1,888 reward, and "Wei Zhi De Yue Ding" and "Sorrow of Hell" for their rewards!)
"A Magic Array drawn using the Ley Lines?..."
Hearing that, Wu Yan seemed to recall something and looked at Rin Tohsaka.
"I see. I almost forgot that Fuyuki City falls under the jurisdiction of the Tohsaka Family..."
The so-called Ley Lines were the veins of the earth.
Just as the human body had meridians, the earth had veins of its own.
Those veins were called Ley Lines.
In this world, all things that could be called Ley Lines connected to a source of mana so vast it could be described as endless. Therefore, unimaginably enormous amounts of mana flowed through the channels of the Ley Lines.
Because the mana flowing through the Ley Lines was so immense, being able to make use of it would undoubtedly bring endless benefits to a mage or even a mage family. However, if something went wrong with the Ley Lines, it would likewise bring about a huge disaster.
For that reason, places with Ley Lines generally had a mage family specifically assigned to govern them. In other words, they watched over the Ley Lines and maintained their normal operation, preventing massive disasters from befalling the places where the Ley Lines existed.
Under that premise, the mage family responsible for governing the Ley Lines could freely use the immense mana flowing within them, which could be considered compensation for managing them.
Beneath Fuyuki City lay one such Ley Line!
The mage family responsible for governing Fuyuki City's Ley Lines was the Tohsaka Family!
Whether it was examining, using, or managing the Ley Lines, only the mage family responsible for governing them had any