Full of terror!
And its neck, which originally displayed an umbrella-like spiny crest, now retracted like a closing umbrella, clinging tightly to the neck.
This was an expression of fear, fright, and submission!
But a dark hammer shadow flashed by, and the top of the spiny sea serpent's head was instantly smashed open, splattering blood everywhere!
The spiny sea serpent, whose spirit had been shocked, was sent to join its master after just one move by Rein's pig-headed hammer.
The spiny sea serpent immediately died from suffocation, its body that was initially upright on the sea surface slumped softly down, and its entire seven or eight meters long, bucket-thick body floated to the surface.
The nerves and muscles in the body of the spiny sea serpent were still moving, its body slightly twisting and twitching continuously!