水晶宫的守卫见到悠悠和小灵妖们又回来了，觉得好惊讶。但是渔人们都见识过悠悠和他的“武器”，对他非常恭敬。悠悠拿出巴斯特有的钥匙，递给守卫，说收到巴斯的信息，前面有大量的人鱼，让渔人们赶紧去支援。
守卫们看到巴斯的钥匙，相信了悠悠的话，赶紧召集水晶宫里的渔人，朝悠悠手指的方向赶去。
小伙伴们看到大批的渔人都离开了水晶宫，朝巴斯相反的方向游走，都很高兴。他们赶快抓紧时间，朝密室走去。经过了漫长的寻找，他们终于找到了密室的大门！悠悠把八爪鱼钥匙对准大门，勇使劲儿拧动钥匙，不一会儿，就听到“咔哒”一声，门开了！
小伙伴们走进密室，刚把池子上的网打开，人鱼们见到悠悠又回来，都很高兴，大家你扶着我，我搀着你，赶紧往外走。
他们刚走到大厅，就听见脚步声越来越近！
巴斯的声音远远地传了过来，“累死了，什么都没抓着！这武器也不会用，真倒霉！”
小伙伴相互看了一眼，知道一旦被巴斯发现的话，就麻烦了！
他们的眼前就是大门，只要穿过前面的大门，就可以到达海边，人鱼们就得救了！
可是一出大门就会遇见巴斯和他的手下，怎么办？
随着脚步声越来也近，悠悠知道就算躲也来不及了！
小伙伴们刚带着人鱼在门后面藏好，大门“啪”地一声打开了。
就在这个时候，勇举着一个巨大的珊瑚砸向开门的渔人，智把灯全部吹灭，就在门口一片混乱的时候，义抱着两个婴儿玩具冲了出去，朝着大海，把玩具扔到了海水里了。
“叮铃铃”的一阵响声刚沉入海里，就听到“轰隆隆”的爆炸声从海里传了出来，声音越来越近，伴随着狂风暴雨，整个水晶宫都在摇晃！
悠悠趁着巴斯和他的手下还没反应过来，赶紧和小伙伴们护送人鱼们离开。
人鱼们只能用尾巴走路，而且他们大多数都受了伤，所以走得实在太慢了。这时巴斯和手下已经点起了火把，他们看到悠悠又回来了？！还企图带走人鱼！
“抓住他们！”巴斯大叫道，“全部都抓住！”
高大的渔人朝小伙伴和人鱼门跑来！他们手里都握着亮闪闪的武器。小伙伴们一看他们手上的武器，差点儿笑了出来，原来渔人们手里握着的都是婴儿玩具。
仁慢慢变大，尽量用龟壳保护着人鱼们，勇依然用手里的珊瑚当武器，抵挡着渔人们的进攻，义躲在智的身下，手里拿着一个烛台，见到黑色的腿就砸，疼得渔人们“嗷~嗷~”直叫。
“打开机关，打死他们！”巴斯叫道。
就在这个时候，最后一条人鱼在下楼梯的时候，突然摔了一跤，正好摔倒在楼梯中间，刹那间触及了机关，就听到“嗖嗖~”地声音，说不清的东西朝人鱼和小伙伴们打来。
悠悠尽可能地带着人鱼们躲在仁的身后，可是那条在楼梯上摔倒的人鱼怎么办？！
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As soon as the guards saw Yoyo and the demons， they felt really suspicious. However， they were still held their tongue and even spoke politely for the respect for Buzz. As Yoyo and the demons floated by， Yoyo showed the guards the keys for the chamber for proof. Yoyo even stated that the keys were from Buzz specifically for seeking reinforcements.
As soon as the guards saw the keys， they opened the door and let Yoyo and friends’ in. after， Yoyo showed them the direction and they were of.
When the demons saw the fishermen go the opposite direction， they were very proud that the idea was working. They quickly went to find the chamber. After a long hour of guessing， they finally found it. Yoyo put in the special key and all the demons worked together and then…“Boom” the chamber opened.
The demons and Yoyo took action quickly and took off the nets. The mermaids were really excited when they saw Yoyo. They helped each other out of the water and started their escape.
When Yoyo and friends left the living room， they heard footsteps getting louder and louder.
Then… they heard Buzz say，“dag nab these weapons. I don’t know how to use them so I could not catch a single one.”
Everyone looked at each other dead silent. They knew that if Buzz sees them， they will be in some serious trouble.
The demons could see the big door. If they ran， they could make it out and escape to the sea. That way， the mermaids could save them.
But the problem was that Buzz and his henchmen were at the big door. What do they do?
Yoyo could hear Buzz’s footsteps growing nearer. He knew that there wasn’t even enough time to hide in an appropriate place.
The demons， Yoyo and the mermaids hid behind another door.‘Click’ the door that they are hiding in has opened…
At this moment， Yong took a coral chair and got ready to ambush. Zhi took the advantage of height by diming the palace by smashing the light bulbs. Yi took some ‘advanced weapons’ and took off and she threw them in the sea.
“Dingningning” Went the small shrilly ring as the toy drifted into the water and sank.“BOOOM!” a giant explosion was heard from the ocean. The sound was getting closer along with a giant storm. The whole of the crystal palace was shaking uncontrollably.
As soon as Yoyo saw Buzz and his henchmen incautious， he， the demons and the mermaids made a mad dash toward the exit.
However， the mermaids are very slow and could not go fast because they can only use their tails to go on land. Also， most of them were injured and hurt. At that moment， Buzz and his henchmen made a torch. Then， Buzz saw Yoyo again?! Also with mermaids?
“Get them!” Buzz shouted!“Get them now!”
A bunch of heavy armored henchmen ran towards the mermaids. They were holding the very advanced weapons in their hands. The demons tried not to burst out laughing because the weapons they were holding in their hands were baby toys.
Ren inflated to shield the mermaids. Yong used the coral chair to knock out any fishermen. Yi stood behind Zhi and wacked all the black feet she could see. A lot of the fishermen howled in pain from the constant attacks.
“Open the traps! Kill them now!” Buzz bellowed.
At that moment， one of the mermaids tripped on the stairs and fell on the middle of the stair. At that moment， a huge lot of arrows came whizzing towards Yoyo and friends.
Yoyo tried his best to keep everyone safe from the constant attacks by going behind Ren’s shell. But what about the mermaid that tripped?
