As the captain of a submarine, Captain Nemo naturally relied on long-range attacks such as torpedoes in battle. After all, they could hardly expect a submarine to fight in close quarters. That mindset had remained with him even after becoming a Servant.
"Assassin or Lancer would be best." Before deciding to perform a Heroic Spirit summoning, Captain Nemo voiced his thoughts. The enemies in the Sea of Imaginary Numbers seemed to search for opponents through sound. An Assassin would undoubtedly make very little noise, but if not an Assassin, then a Lancer would do as well.
"It's actually the Berserker class."
Seeing that the summoned Servant was a Berserker, Captain Nemo could not help sighing. Berserker was the class he disliked most, because communication was impossible.
"It's Minamoto no Yorimitsu. Ritsuka seems very familiar with her."
The summoned Servant this time was Minamoto no Yorimitsu. The moment she appeared, she eagerly pulled her Master into her embrace. From her words, it was clear they had met before. Afterward, she watched swimsuit-clad Mash and Osakabehime with guarded eyes, worried that they would lead Ritsuka astray.
"Leave it to me." After hearing Ritsuka's explanation, Minamoto no Yorimitsu agreed without hesitation, never considering that her Noble Phantasm was unsuited to the current situation.
"Try this."
After discovering that Minamoto no Yorimitsu's Noble Phantasm was not the torpedo-type Noble Phantasm they needed, the goddess Skadi immediately used a swimsuit Spiritron Dress to alter her Saint Graph, turning her into a Lancer. This way, her Noble Phantasm met Captain Nemo's requirements.
"Move out at once. Head for the second sea region."
Once they had confirmed the Noble Phantasm of Lancer Minamoto no Yorimitsu, the operation began. Yorimitsu would use her long-range Noble Phantasm to destroy the enormous monster blocking the Nautilus's route to the entrance