After giving it some thought, Sovell said to Kariya Matou:
"Kariya, use one Command Spell on Berserker. The command is-restore your sanity."
What?!
Kariya Matou almost thought he had misheard.
"Use a Command Spell? Right now?"
But faced with Kariya Matou's question, Sovell reaffirmed without hesitation:
"That's right. Right now."
[Mad Enhancement] had increased all of Lancelot's stats except luck and magic power, but it had also robbed him of his ability to think and speak.
Yet his most powerful Noble Phantasm-Arondight, the Unfading Light of the Lake-required him to chant its true name to release it.
Making the two compatible would cost one Command Spell.
Command Spells were crystallized magic power, as well as the means by which a Master commanded a Servant. There were three in total.
Using all three Command Spells would not end the contract between Master and Servant. It would merely strip the Master of the ability to compel the Servant to obey.
However, to prevent their Servants from turning against them and killing them, most Masters would only use two Command Spells.
The final Command Spell was reserved for ordering the Servant to commit suicide.
After reading Zouken Matou's memories, Sovell had learned the truth behind the Holy Grail War.
The Holy Grail War was not a struggle between mages to seize a miracle and fulfill their wishes. It was a large-scale magecraft ritual held by the three mage families-Matou, Tohsaka, and Einzbern-to reach the Root, or achieve the Third True Magic.
After a Servant was eliminated, the fragment of their soul within them was collected by the Lesser Grail supplied by the Einzbern Family. When that soul fragment returned to the Throne of Heroes, it opened a "Hole" leading to the Reverse Side of the World.
The Root itself also lay outside the