After the ground shook twice, a large mass of flames burst out from the surface, rapidly ascending into the sky, forming a mushroom cloud.
The energy sealed within the Yin Yang Fish by Feng Jun isn't particularly large. The explosion it can trigger is merely equivalent to about a hundred tons, enough to sink the battleship but almost impossible to completely destroy the research institute—even with an internal explosion.
However, he sealed a trace of Crimson Flame True Fire within it, which can continuously generate a high temperature close to hundreds of thousands of degrees.
Compared to the tens of millions of degrees produced by a nuclear explosion, this temperature is still somewhat lacking, but the key point is that this trace of true fire can last for about ten minutes before being assimilated and lost.
