Some of the cooler names in "Peace Elite" include: Son of Darkness, Thunder Slash, etc.
1. Son of Darkness: This name gives people the image of dark power, indicating that the character may be a person with powerful dark power.
2. Thunder Slash: This name implies that the character's attack is very powerful and can attack the enemy as quickly and violently as lightning.
Most of these names are names given to express the image and characteristics of the characters, and usually do not necessarily have specific literal meanings.