In a world filled with all spirits, in addition to fighting, there should also be emotions. The reason why humans are higher than animals is that they understand emotions more. The protagonist of the story is telling everyone that no matter when and where you are, don't forget your original self and the reason why you made the choice in the first place!
However, there are no shortcuts to success, only perseverance and perseverance, and the spirit of never flinching when encountering difficulties.