Although humans have many countries spanned across the entire Pangea continent, many places were still inaccessible to humans. The dangers that existed in such perilous regions made it difficult for full explorations.
The Thousand Fog Mountains were only one of many examples.
"The Pangea continent only covers about fifteen percent of the planet's surface. Humans haven't fully explored the Pangea continent, let alone the sea. If an alien civilization truly exists on this planet, it could be hidden anywhere," Vaan calmly mentioned.
Naturally, the Divine Serpent Empire was the first on the list of suspicion due to the mist covering its entire land.
However, the sea and sky were vast, unexplored territories that couldn't be ignored either.
"How do you know the Pangea continent only accounts for fifteen percent of the planet's surface, Vaan?" Astoria asked with astonishment.
