Synopsis

The protagonist swiftly progresses through a tower, gaining numerous levels and clearing an elite floor, rewarded with a seemingly weak skill card. He then navigates multiple floors, encountering various challenging enemies and utilizing achievement points for items. On the fourth floor, he faces tough, blessed opponents before deciding to embed a hero-rank artifact, 'Frozen Heart', despite its risks, in order to significantly enhance his cold-based skills. This sets the stage for further escalating conflicts.