The cannons were powerful, but the rank 4 giant green crab's defense was also terrifying. After taking a few hits, it only retreated back into the sea.
However, the rank 2 and 3 giant green crabs around it were unlucky. They were blasted into pieces.
"A rank 4 giant green crab is so strong?"
When Ou Shaotian and the others saw this scene, they sucked in a breath of cold air.
Unlike ordinary rank 4 spiritual fish, the giant green crab's shell was too thick and hard. Its defense was really strong, but they did not know if it suffered any internal injuries.
However, seeing that the giant green crab retreated back into the sea, it should have suffered some injuries.
"Everyone, prepare for battle."
At this moment, the rank 2 and 3 marine creatures rushed over.
Although there were heavy cannons and the formation cannons on the flying boat, there were too many marine creatures and many of them were killed.
However, there were even more that rushed up. It was as if there was no end to them.
"Kill!"
Everyone pulled out their weapons and attacked the marine creatures that rushed up the wall.
There were all kinds of rank 2 and 3 crabs, especially those that were smaller in size and had longer legs. They climbed up quickly.
They climbed up the ten-meter-high wall as if they were walking on flat ground.
They climbed up with a whoosh.
Ou Shaotian did not hesitate. He released the Red Lotus Vine and started the massacre.
When he knew there was a fish tide, he had already brought the Red Lotus Vine with him. In such a large-scale battle, the Red Lotus Vine was the most lethal.
Especially since the Red Lotus Vine could devour those corpses to improve itself rapidly.
"Die!"
Ou Shaotian swung his long saber. A few meter long saber energy shot out and slashed a dozen rank 2 crabs in half.
On the wall, everyone waved their weapons and attacked with saber energy and sword energy.
"Roar!"
A huge alligator snapping turtle roared and rushed out from behind.
This mutant alligator snapping turtle was not simple. It carried a turtle shell, but it had the head of a crocodile, a long mouth, and densely packed sharp teeth.
It looked very terrifying.
Just one look was enough to send chills down one's spine.
Its bite force could probably bite through a steel plate. As soon as it rushed out, it scared many people.
"Rank 3 snapping turtle discovered, requesting backup!"
The guards on the city wall immediately called for help. The attacks in their hands were not slow either. Waves of energy hit the alligator snapping turtle, but they could only play a role in harassing it.
The Rank 3 Snapping Turtle was about the size of a tank, and its shell was covered with spikes, making it look like a monster.
"Shaotian, I'll go over there for a moment!"
Wu Aoyi said.
As soon as he finished speaking, he was already charging towards the Rank 3 Snapping Turtle with his long sword, unleashing his entry-level Sword Intent.
Among the crowd, he had already successfully comprehended the sword intent and reached the entry level.
The Earth-ranked longsword, in addition to the sword intent surrounding it, exploded with an astonishing lethality. A crack immediately appeared on the hard tortoise shell.
"Roar!"
The injured snapping turtle let out a roar.
The head that looked exactly like a crocodile opened its mouth and bit towards Wu Aoyi.
However, Wu Aoyi was prepared.
Using the rebounding force, he flew into the air and stabbed his longsword towards the snapping turtle's eyeball.
It was said that turtles were slow, but facing Wu Aoyi's lightning-fast sword, the snapping turtle shrunk its head and dodged it easily.
"Damn it!"
Wu Aoyi's face changed slightly. His full-force attack missed.
There was no time for him to change his move. The alligator snapping turtle had already exerted force on all four of its legs and leaped up like a heavy tank, charging towards him.
Clang!
Wu Aoyi only had time to block with his longsword before he was sent flying.
However, his reaction was fast. The moment he was sent flying, he immediately used his body movement technique and flew back with the rebounding force of the longsword.
"Kill!"
Wu Aoyi roared and charged towards the turtle again.
This time, he directly attacked the crack that he had created previously, and his sharp sword aura continuously attacked the turtle shell.
The Rank 3 marine creatures gradually approached the city wall, and the others were also engaged in a fierce battle.
Some of the Rank 3 marine creatures were not strong, such as the soft-bodied ones. Their defense was average, but their water bullets and arrows were very damaging.
However, these turtles and crabs had very high defense.
The Scarlet Vine was also showing its prowess. While it was killing, it was also devouring the corpses of the marine creatures.
The most important thing was the blood. When the marine creatures were killed, their blood formed a river and seeped into the ground. However, it was absorbed by the roots of the Scarlet Vine.
That was incredible.
With sufficient nutrients, the Scarlet Vine began to grow rapidly. In just a short while, the vine had grown to more than 200 meters long.
It was scary!
What was even scarier was that the Scarlet Vine's level had also increased.
After devouring a large number of Rank 3 and Rank 3 marine creatures, the Scarlet Vine had reached the pinnacle of Rank 3, Level 9.
It was only one step away from Rank 4.
However, there was a hurdle to go from Rank 3 to Rank 4. According to Ou Shaotian's estimation, it would need to devour at least one Rank 4 marine creature to level up.
It was a pity that the Rank 4 Black-Scaled Fish had been eaten by Ou Shaotian and the rest. Otherwise, the Scarlet Vine could level up now.
"Everyone, be careful. A Rank 4 marine creature is coming!"
Right at this moment, Zhang Wei shouted explosively.
More than a dozen Rank 4 marine creatures were charging at them despite the cannon fire.
There were huge green crabs the size of houses, octopuses that were a few stories tall, huge sea turtles, and sea snakes that were dozens of meters long.
"It's over!"
Seeing more than a dozen huge Rank 4 marine creatures, especially an octopus with powerful regenerative abilities, the guards were terrified.
The guards on the city wall were in despair.
Even the guard captain, Zhang Wei, was at a loss.
Although he was a Monarch, to be honest, he wouldn't be able to defeat any of these Rank Four sea monsters by himself.
"Kill! Kill for me! Kill as many as you can!"
In desperation, Zhang Wei went berserk.
He did not think too much and led a few captains to charge at the Rank 4 Green Crab. They wanted to surround and kill one of them first.
The attack of a Supremacy was definitely terrifying.
Ou Shaotian and the rest could not help but observe the battle. As they fought, they also paid attention to the battle between Zhang Wei and the Rank 4 Green Crab.
The energy waves created by the battle were so strong that they could be felt from a few miles away.
Ordinary Rank 2 and Rank 3 marine creatures hid at the side.
Fortunately, the marine creatures were not united. When the Rank 4 Green Crab was surrounded, the other Rank 4 marine creatures did not help.
Instead, they charged at the city wall even faster as if there was something inside the city wall that attracted them.
Boom! Boom! Boom!
The cannons continued to bombard the Rank 4 marine creatures.
Any Rank 4 marine creature that tried to charge forward would be hit by the cannons. Even if they could not be killed, they would be forced to retreat.
Therefore, as long as the cannons could continue to fire, they would be safe for the time being.
In the sky, the various flying boats were also attacking continuously. The Air Cannons of the fishing boats were also attacking the Rank 4 marine creatures.