This was intelligence accumulated over generations by two great powers.
Naturally, the elves and giants had also explored the most northern part of the Furious Blockade Zone.
Mu Yuan had talked with them and had a general understanding of the situation here.
"We should be close to the boundary line now."
He said.
The size of this domain was naturally far less than that of places like the Twilight Plains and the Scenic Highlands, similar to the difference between continental plates and islands.
It was like a fragmented domain, but it connected many different areas.
However, the passages through the domain were much smaller.
To the south, the passage that Sophia and Shen Linglong had traversed was extremely narrow, and one needed the power of the Legendary Realm to pass through safely.
The normal domain passages were quite wide; the frontline fortress couldn't really block them, it was merely like a stake hammered into the ground, preventing the spread of the red fog.
