--Memories of listening to the other person tell stories on sleepless nights.
--And memories of patting the head of himself, who, despite being covered in wounds, had still defeated the beast.
Master and disciple in life.
The supreme great sage and the strongest warrior.
Father and son.
Having sealed away all those precious, warm memories, they now clashed as opposing Heroic Spirits.
Achilles, who had been killed by arrows in life, believed he would have trouble defeating his bow-wielding teacher.
Even if he could win, it would take a great deal of time.
He wanted to decide the victor in a shorter span—in a numbing instant.
And so he used his Noble Phantasm.
Diatrekhon Aster Lonkhe, in a word, was a spear for one-on-one combat.
It completely cut off time and the surrounding environment, creating an arena that would not be released until one side was defeated.
In terms of magecraft, it was something similar yet different from an Inherent Barrier—not an invasion of the world, but a space layered over the original world.
This was a space Achilles had created in the past to decide the victor against his archenemy, Hector.
Hector was Troy's strongest warrior and commander, who had unified the army in place of his father and whose younger brother Paris had sparked the Trojan War by abducting Helen.
He was both a brave warrior and a politician whose thoughts even the gods found difficult to fathom.
Hector had laughed and told Achilles, who was praised as the strongest warrior, "If I fight you, blessed by a goddess, this old man will surely be punished by heaven," before directly fleeing.
Therefore—the effect of this Noble Phantasm was not to suppress the enemy, but to create a "space where one could fight fairly one-on-one."
It eliminated all "accidental