(A/N: To those wondering why there is an #Overpowered Tag, well...from here going is the reason why...especially this chapter. Things are about to get chaotic from here onwards...Thanks for the support so far)
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The day Klaus awakened as a cultivator in the apocalypse, he received a skill called [Universal Enigma]. Back then, the description read:
"— As you level up, so does your mind. Anything there is to know, you'll come to understand. You can speak and understand all languages, no matter how ancient or obscure."
The description was straightforward enough. He could speak all languages, understand complex concepts, and grasp anything there was to know.
It was the perfect skill for someone destined to travel and explore other worlds, cultures, and races. However, that seemed to be all it was—just that.
