Sildonia Zeeles represents the sentient consciousness and preserved memories of the deceased Magic King, eternally imprisoned within a potent magical sword. Kyle Lenard initially discovered this enchanted blade within the treasure room of the Magic King's Great Labyrinth during his first timeline, where it functioned as his foremost weapon and a crucial wellspring of arcane wisdom during the war against the Demon King. After Kyle journeys back through time to his youth, he purposefully retrieves the sword once more to secure Sildonia's allegiance. Upon reclamation, Sildonia accesses Kyle's memories from the original timeline—encompassing his entire odyssey and the cataclysmic Great Invasion. Grasping the monumental stakes of Kyle's mission to reshape history, Sildonia commits to aiding his crusade to fortify the world against the encroaching demon invasion. As a vessel for the Magic King's profound expertise, Sildonia furnishes Kyle with tactical foresight and mystical instruction, serving simultaneously as an armament and a mentor. The sword's sentience permits direct participation in Kyle's endeavors, harnessing the Magic King's accrued sagacity to confront the altered timeline's perils. Sildonia persists as an unyielding companion throughout Kyle's struggle to thwart the tragedies of the foreknown future.