The reason why the Red Peak Straits was named the way it is was probably because at the bottom of the sea, there were two mountain peaks that were formed from a bright red stone that had fire-like properties. Not only was it red, it also had a very high temperature. 

However, all the heat was within the stone and it did not transmit to the environment. That was why the sea waters were calm and not boiling. 

The top of the sea was covered in a layer of ice, but the bottom was lined with Red Fire Stone. Ice and fire coexisted in the same place. Before, Qin Yu did not think much of this, but after he learned about Black Turtle, he looked at his surroundings in a different light. 

The cold and heat were Yin and Yang properties. Using Yin and Yang, they slowly...