some documents
() Monster level:
Ordinary mutated monsters (white), elite monsters (green), boss leaders (blue), golden bosses (gold), and more...
Equipment level (game system):
White board (ordinary), blue (attribute), green (excellent), gold (inheritance) and above...
Skill book level:
White, green, blue, gold and above...
Skill levels: Beginner, Intermediate, Advanced, Expert, Master, Grandmaster and above, there are higher levels...
Doomsday Stars:
Chapter completed!