The battle unfolded just as Liu Changxu had predicted, with the fierce fighting continuing well past midnight.
Suddenly, a low, far-reaching beast cry sounded in the distance. Upon hearing it, the low-tier sea monsters that had been fiercely attacking Blue Coral City immediately retreated like an ebbing tide.
The sight left the cultivators defending Blue Coral City momentarily bewildered.
Only after the low-tier sea monsters had withdrawn far into the distance did the defending cultivators realize that they truly had retreated.
But just as the defenders began cheering and preparing to celebrate their victory, more than a hundred and sixty streaks of flight light of varying sizes tore through the night sky, racing toward Blue Coral City.
The high-tier sea monsters had finally made their move.
When more than a hundred and sixty high-tier sea monsters, varying in size and hideous in appearance, arrived above Blue Coral City radiating terrifying auras, they swiftly encircled the entire city! High-tier sea monsters guarded every direction, clearly following a meticulous plan laid out beforehand.
Among them, the most striking creature-and the one with the most terrifying aura-was an enormous azure flood dragon a thousand zhang long, with a pair of chillingly formidable claws, hard scales covering its body, and a ferocious head.
Liu Changxu recognized it at a glance as a fourth-tier middle-grade Greenwood Flood Dragon. It possessed both water and wood attributes, along with a trace of the divine beast Azure Dragon's bloodline, and its actual combat strength was no less than that of an ordinary Nascent Soul late-stage grand cultivator.
Seven other Fourth-Tier sea monsters of differing forms circled around the terrifying flood dragon: a Fourth-Tier Middle-Grade Mysterious Water Turtle, a Fourth-Tier Middle-Grade Giant-Toothed Shark, a Fourth-Tier Low-Grade Icewind Flood Dragon, a Fourth-Tier Low-Grade Blue-Star Octopus, a Fourth-Tier Low-Grade Dark Nether