"There is another possibility: the Master didn't want to expend their own mana, so they had their Servant go out and find a way to replenish mana themselves."
Chang Wei put forward a new possibility.
Rin Tohsaka immediately clutched her head in distress.
There were too many possibilities. Rin Tohsaka could not make sense of it all.
"Whatever it is, let's deal with this barrier first!"
Rin Tohsaka said viciously.
"Anyway, let's erase this rune first. It may not do much, but it should at least interfere with the barrier's operation..."
As Rin Tohsaka spoke, she prepared to crouch down and erase the rune. However, Chang Wei suddenly pulled her behind him, leaving Rin Tohsaka rather confused.
"What is it?"
She turned back to Chang Wei in puzzlement.
"There's a Servant."
Chang Wei said.
Rin Tohsaka immediately composed herself, her face turning grave. Her Magic Circuits rapidly activated as she sensed the fluctuations of mana around them.
"Yo, pretty good senses, kid."
A voice appeared out of nowhere, shattering the surrounding silence. Rin Tohsaka immediately looked toward the source of the voice, only to discover that at some point, a figure had appeared atop the nearby water tower.
He was a young man in blue. He had short blue hair, with several loose bangs drifting casually about, while a long ponytail was tied behind his head and hung all the way to his waist.
A pair of cyan earrings hung from his ears, and his crimson eyes flashed with a sharp gleam beneath the moonlight. He wore a tight blue bodysuit that extended to his wrists and formed bracers, with silver shoulder armor draped over both shoulders, giving him a valiant appearance.
Most eye-catching of all was the crimson thorn spear resting across his shoulders. Its tip gleamed with cold