After some calculations in his mind, Lu Yuan directly exchanged five upgrade pills.

Including the two upgrade pills obtained from the previous treasure chest, the total is seven.

After the tiger finished eating the meat, Lu Yuan fed all seven upgrade pills to the tiger.

Under the influence of many upgrade pills, the tiger was instantly wrapped in a ball of air and started the upgrade mode.

He had the experience of upgrading once before, so Lu Yuan knew that Tiger might have to be promoted for a while this time.

I looked at the clock on the wall and saw that it was almost noon.

However, based on the wind that poured into the room through the cracks in the broken security door, Lu Yuan knew that it was even colder than when he first arrived.

In fact, Lu Yuan vaguely discovered this problem as early as the second time he went out to find three wild dogs to seek revenge.

Because he felt that the cotton clothes he wore were not enough to protect him from the cold.

While the tiger was fighting, Lu Yuan was shivering from the cold while hiding in the blood grass.

"What the hell if I go out at night, I won't freeze to death?"

Lu Xiao muttered softly.

"By the way, doesn't the wild dog skin have the effect of keeping out the cold?

It will always be better than this cotton coat, right?"

While muttering about the cold wind that filtered through the cracks in the security door, Lu Yuan remembered the information he had seen after dismembering the wild dog skin.

Thinking of this, Lu Yuan took out all three wild dogs from the storage bag with a thought.

Then Lu Yuan took out his dagger and got ready to work.

This time, he planned to carve out a whole piece of wild dog skin to use as clothes to whisper about the increasingly harsh environment outside the door.

As soon as he said it, Lu Yuan started to get busy.

More than half an hour passed in a flash.

Except for the area occupied by the upgraded tiger, the entire room was covered with wild dog 'material'.

Three whole wild dog skins.

Three whole wild dog skeletons, as well as various parts of meat.

"Oh, what a pity. If the dog's head is still there, I can still make a leather hat..."

Looking at the three dog skins, Lu Yuan sighed slightly: "It seems that I have to tell Tiger not to be so violent in the future!"

Even though he said so, Lu Yuan still couldn't restrain his excitement when he saw the upgraded tiger.

Violence? Is this violence?

Lu Yuan wished that the tiger would kill the wild dog with a slap, that would be enough!

"These pieces of wild dog meat should be enough for a tiger to eat for a day."

Lu Yuan put away the pieces of meat on the floor one by one, and then said softly.

Then Lu Yuan set his sights on the wild dog skeleton again.

Seeing the wild dog's skeleton so clearly, Lu Yuan had to sigh again. This wild dog is really strong... but the forearm bones are longer than his wrist...

Of course, compared with tigers, this wild dog is still a bit inferior.

"I don't know, how many beast core crystals can be found in this thing if it is thrown into the recycling bin?"

For the time being, he didn't find any use for this wild dog bone, so Lu Yuan simply planned to try using the [Recycle Bin] function.

Although the information about the wild dog bone showed that it could be used to make utensils, Lu Yuan didn't know exactly what utensils were made, nor where to make them.

Bones? According to before time travel, they are only useful for making soup...

It is better to recycle it directly and exchange it into beast core crystals to exchange for upgrade pills to upgrade the tiger.

…

As Lu Yuan thought, the recycle bin page appeared on the window.

Immediately afterwards, the skeleton of a wild dog at his feet disappeared in a flash.

"bite!"

"Recycling successful!"

"bite!"

"Recover the wild dog skeleton and obtain 30 beast core crystals."

"Only thirty points?"

Looking at the information that appeared on the window, Lu Yuan curled his lips slightly.

Then the remaining two wild dog skeletons were also recovered.

A total of ninety beast core crystallization points were obtained.

Lu Yuan also recovered the wild dog bones that had been dismembered and scattered before.

A total of twenty points of beast core crystallization points were recovered from the scattered wild dog bones...

This result was already expected by Lu Yuan~!

Of course, there is also the fragmented wild dog skin that was dismembered from the first wild dog, and ten points of beast core crystallization points were recovered...

"There are one hundred and fifty points of beast core crystals now!"

"In this case, you can still redeem three upgrade pills!"

Lu Yuan looked at the [Exchange] page and said with a grin.

This time, Lu Yuan gained a lot from killing three wild dogs and getting the primary treasure box.

In addition to these, Lu Yuan also had healing pills worth one hundred beast core crystals in his hand, as well as some food supplies.

Speaking of eating, Lu Yuan was really hungry after being busy for such a long time.

Lu Yuan took out a piece of bread from the storage bag and ate it.

In fact, Lu Yuan also wanted to eat the beef meat he just got.

But the beef was raw, and he didn't cook much, so he didn't have cooking utensils at home.

Not to mention cooking utensils, Lu Yuan didn't even have a lighter...

So this is one of the reasons why Lu Yuan wants to demolish the building.

If nothing else, there should still be some pots, pans, gas tanks and lighters in the demolished building.

"When the tiger is finished giving birth, and then go to the demolished building to search for it, you should be able to eat something hot..."

Lu Yuan thought this while chewing bread.

However, at this moment, Lu Yuan, who was eating bread, suddenly became shocked.

Immediately afterwards, veins popped up on his forehead, his face instantly turned red, and his breathing became rapid.

"What's going on?"

The sudden change made Lu Yuan feel nervous.

But before Lu Yuan could take any measures, a stinging pain came from the area between his eyebrows.

Immediately afterwards, a series of messages appeared on the window.

"bite!"

"Tiger upgraded successfully - level 5!"

"bite!"

"Tiger upgraded successfully - level 7!"

…

"bite!"

"Tiger upgraded successfully - level 14!"

"Tiger surpasses level ten and gains new beast-controlling skills!"

【tiger】

Grade:14/50

Status: Fierce

Qualification: five stars

Skills: Beast King's Roar (within a range of 100 meters, emit a tiger roar that suppresses all beasts...lv1/5). Fiery Claws (condensing blazing flames onto the tiger's claws, thereby bursting out with powerful attack power...lv1/

5).

"Huh? I have new beast control skills!"

Looking at the many messages that appeared on the window, Lu Yuan immediately locked onto the new attribute panel of the tiger that appeared last.

"Fire Claws...condensed blazing flames onto the tiger claws, thereby unleashing a powerful attack capability...the power of flames!"

Lu Yuan couldn't help but smile as he looked at the explanation of Tiger's new beast-controlling skill, the Fiery Claw.

Just now, he was still looking for a gas can lighter.

Now here comes a ready-made ‘lighter’...

Of course, thinking this way, Lu Yuan would not let the tiger's blazing claws be used as a lighter... having to use the beast control skill once would still consume a lot of money for the tiger.

Moreover, in Lu Yuan's view, this new beast control skill consumes more than the Beast King's Roar.

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Chapter completed!