Symphony was one of Kroya's trump cards. Though its music was composed purely of magic, its visual effects were no less impressive.
The instant Kroya began playing and casting Symphony, notes flew from his robes, which shimmered with clear blue starlight, intertwining and combining.
It was like a long scroll suddenly unfurled by an unseen force, filled with countless magical runes, little figures embodying various emotions, patterns, humans, elves, magical beasts, and magic plants.
It even included Atlantis's Womb Sea, the lands of the Northern Frontier, and the surging Telai River... in short, everything Kroya had collected.
Though he alone was playing, it seemed as though countless people and living beings had suddenly appeared, forming an enormous orchestra that performed together.
Even the Harp Angel's rosy radiance was suppressed at that moment, as Kroya's scroll spread like wings that blotted out the sky.
The Harp Angel looked visibly astonished, with a trace of exceedingly well-concealed nostalgia.
Long, long ago, the angel had heard such a grand score, one encompassing all things in the world.
Without making any move, the angel was instantly struck by Symphony's unfolding scroll.
The previously uninterrupted harp music stopped, and the rosy radiance was covered by Symphony's light in an instant.
The vast magic coordinated by Symphony did not clash violently with the Harp Angel's divine power. Instead, it assimilated that power, just like the all-encompassing scroll itself.
Even the Harp Angel, a divine envoy casually created by the Creator, would be assimilated into the scroll and become part of Symphony.
That was Symphony's most terrifying aspect.
Everything in existence was a movement in Symphony.
After unleashing Symphony, even Kroya fell into a state of exhaustion. He barely managed to keep playing as he looked up at the Harp Angel.
This was already one of his