Invincibility - is a kind of victory. When a person's certain skills reach a state that no one can compare with, this person can be called invincible in this skill. But being invincible is also a kind of loneliness... The loneliness of being too cold at a high place!
Hero - Hero is a broad word, which usually has two meanings: first, a person who is ambitious and has made outstanding contributions to the people; second, a knight who is not afraid of hardships and dangers, hates evil as much as enemies, and acts chivalrously and righteously. People who are extremely brave and powerful are generally called heroes. In short, a hero must be admired and revered.
Sword--the iron is tempered and polished by the swordsmith, and becomes a sharp sword. It is a weapon for self-defense and enemies, and it is also a favorite decoration of the ancients. The sword itself is a dead thing. Only in the hands of the swordsman does it truly come to life.