This was a rather wondrous space.
First of all, it was astonishingly vast.
Though it was not an endless expanse and the surrounding walls could be seen clearly, it was impossible to judge the distance between them, as though space itself had been distorted into an extremely peculiar state.
The ceiling was filled with water.
Like an inverted lake, the ceiling of this space was filled with water, with all manner of water lilies blooming upon its surface, like a rainbow-colored sky.
And at the center of this space floated an enormous altar.
It was a spherical altar.
Like a tiny celestial body, the altar floated in midair, radiating a gentle glow that illuminated its surroundings.
At this very moment, two figures stood before this enormous, glowing spherical altar.
One was Amakusa Shirou Tokisada.
The other was Semiramis.
"Is this the Greater Holy Grail?"
Semiramis gazed at the enormous altar floating in the air like a celestial body and spoke in wonder.
"How... beautiful..."
That was the only way Semiramis could describe the Greater Holy Grail.
It was not that the Empress lacked vocabulary. Rather, every possible impression ultimately led to that most direct thought, perfectly capturing the first impression the Greater Holy Grail gave people.
Naturally, the Greater Holy Grail was not merely beautiful.
Having drawn magical energy from Tuliphas's Earth Vein day after day for a full sixty or seventy years, the magical energy filling the Greater Holy Grail was simply terrifying.
If the magical energy of a first-rate Magus was a basin of water, then the magical energy contained within the Greater Holy Grail was a true ocean.
It was vast enough to connect to the Throne of Heroes and summon all fourteen Servants, along with a fifteenth of the Ruler class, while leaving behind so much