After hanging around for a few months, with the help of Batubuhe, Taomas tribe and the Orc Empire, Li Ziyu got to know more about the grassland and knew more or less the division of various forces.

After separating from Lin Youyou, Li Ziyu chose a quiet place and chose to go into seclusion. He had to digest the resources he had obtained this time and transform them into combat power.

Three mobile fortresses, plus the resources of the seventh floor of the Ancient Tree of Life Mobile Castle, this is a very huge number.

Green Oxygen Bar is a powerful figure in the Life Empire Alliance, and all resources in the alliance are provided to him first.

After the Ancient Tree of Life's Moving Castle was destroyed, Li Ziyu and Lin Youyou obtained the warehouse of the Green Oxygen Bar.

It was so full that even Li Ziyu was surprised.

No wonder they all like to build up a power, it's really good.

He didn't believe that all these resources that could fill up the warehouse were collected by Green Oxygen Bar alone.

Ask yourself, Li Ziyu has such a huge number of undead under his command, and Liu Xingxing, the treasure-hunting cat lord, to assist him, plus an entire wasteland, but he still didn't fill up the warehouse.

If a time traveler wants to develop a mobile fortress, resources are always insufficient. Even if a wave of resources is accumulated occasionally, they will be consumed quickly.

Green Oxygen Bar is a castle-level traverser, and as a practical man, he often goes on missions.

As the saying goes, a cannon shot is worth a fortune. Wars are fought with money and resources. Frequent missions mean that a large amount of resources will be consumed to maintain the war.

Logically speaking, even if the warehouse of the Ancient Tree of Life Mobile Castle is so empty that mice cry when they see it, Li Ziyu can accept it.

The reality is completely the opposite. The warehouse is overflowing with resources, so many that they can’t even hold them all.

The Life Empire Alliance is so wealthy.

Li Ziyu was so envious that tears came out of her mouth.

However, the Green Oxygen Bar was destroyed, and his castle and warehouse full of resources were all taken away by Lin Youyou and Li Ziyu.

A windfall.

Of course, large amounts of resources must be used well. They cannot be used to advance technology as before. That would be a waste. We have to do something big.

The location Li Ziyu chose was a blank area between several forces, which was relatively safe.

After arriving here, Li Ziyu immediately set up camp and asked the Iron Skull to guard the surroundings. At the same time, he sent out the Eye of the Undead, the Wind Ranger, the Nether Elephant, and the Elephant Fortress to ensure that the surroundings were safe.

After making all the arrangements, receiving feedback, and confirming that the surroundings were safe, Li Ziyu rubbed his hands and began to carry out his plan.

A large amount of resources have come in, of course, and the most important thing for a time traveler is of course the mobile fortress!

Li Ziyu took out resources without hesitation to upgrade the castle. He wanted to upgrade the castle from level 1 to level 2.

Upgrading the castle will unlock more technology, but that's not what he wants most. What he wants most is a fortress clone!

In this battle, the Iron Skull has proven how useful the fortress clone is.

If there was no Iron Skull, the fortress clone, Li Ziyu would have to use dusk bombs to deal with Biaozi and the other three time travelers, and the losses would have been too great.

The dusk bomb that can grow mushrooms is definitely a killer weapon. Hide it if you can, and don’t use it if you can.

When Li Ziyu was fighting against the Ancient Life Castle, he had estimated that if he threw a dusk bomb at it right after the battle started, it would not be able to completely destroy the Ancient Life Castle, but it would definitely cause serious damage to the opponent.

At least in the subsequent battles, the opponent will definitely not have so many life tree people available, and the undead can attack the castle more smoothly.

When the castle is upgraded, there is a period of weakness.

During the upgrade period, the castle is in a static state and cannot be moved freely, just like a bug turning into a pupa, unable to run even if it wants to.

Therefore, when choosing to upgrade the castle, you must ensure that the surrounding area is safe.

Because it is not a big level jump, but just an upgrade from level 1 to level 2, the speed is still very fast, and the upgrade can be completed in about five days.

During this period, Li Ziyu no longer replied to any messages, but only received information, quietly upgraded the castle, and never caused trouble.

It is not difficult to get information from the outside world. Batubu and they will send information to Li Ziyu regularly to let him know the dynamics of the grassland.

Some of this information came from the Wasteland Alliance travelers themselves, and some came from the Orc Empire.

The Orc Empire was very satisfied with Li Ziyu as an ally. After a period of contact, it generously shared intelligence with him.

Since Li Ziyu could not be found, they could only hand over the information to the time traveler from the Wasteland Alliance, who would then pass it on to Li Ziyu.

In five days, the situation on the grassland changed dramatically.

This is the aftermath of Li Ziyu and Lin Youyou defeating the Green Oxygen Bar.

The Life Empire Alliance's strategy for the grassland is to enter with force. It wants to send a large number of traversers, relying on mobile fortresses and mobile fortresses to forcibly destroy the Orc Empire, and then deal with the various grassland tribes created by the Centaurs.

In many places, they do.

The Life Empire Alliance has long realized that time travelers are much stronger than the natives. Instead of dealing with them slowly, it is better to rush in and create a new world for the other party.

Unfortunately, the Life Empire Alliance did not expect that the Orc Empire was not as easy to deal with as they imagined. The other side was very determined to protect their country, and their frantic resistance slowed down their advancement.

The appearance of Li Ziyu and Lin Youyou caused the Life Empire Alliance an immense headache.

These two castle-level travelers have no shame at all. They shamelessly kill fortress-level travelers everywhere, and they just bully the weak with their strength.

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