[Upgrade Initiated: Mythical → Abyssal]
[Materials Deducted from Inventory]
[Processing...]
Then, the altar activated.
The carved patterns along its surface lit in sequence, the ancient rune configuration building from the base of the stone surface upward toward the point where the Celestial Lord Blade rested in the altar's central channel, which had appeared as a physical manifestation the moment the upgrade was selected.
The blade changed.
A fundamental change in the object itself, the weapon's grade reclassifying at a level that produced visible alterations in its physical properties. The dark surface that had carried the golden mythical-grade runes shifted, the darkness deepening, the runes changing character from the carved-in quality of mythical grade to something that looked grown into the metal, as though the runes were part of the blade's structure rather than inscriptions on its surface.
