Counterattack: Influenced by some Japanese movies and anime works, it has become a common expression in online games in China, which is different from the normal way for players to attack NPC, and refers to the success of counterattack in adversity. The counterattack expresses a spirit of self-improvement and is full of positive energy.

Metamorphosis: Taoist philosophy that (people, things or things) will undergo qualitative changes. Metaphor means that things change from one state to another, and there is a clear contrast between the two. Rebirth, forging and polishing, the successful process is called transformation. Generally speaking, it refers to the transformation from ordinary to gorgeous, such as breaking a cocoon into a butterfly.