Literature Reference: A worn blade rests, no longer clashing in battle; a fine bow lies idly in its case. Source from 'Fenghe Zhexidafu Li Deyu Shu Meng Sishi Yun'.
朽: The original meaning refers to decayed wood, symbolizing eternal preservation and immortality. It extends to signify something that is indestructible and will forever endure.
刃: The blade's edge, the cutting edge, broadly refers to knives, swords, and the like. It metaphorically signifies unwavering determination and resolute action.
Meaning: The worn blade symbolizes a resilient character tempered by time, no longer sharp in appearance but still holding inner strength and wisdom.