The entire underground level of the Mage Tower belonged to Old Buck's laboratory, so it was very large and divided into several rooms with different functions. Some of these rooms didn't even close the door, and Liu Siyi could see the things inside casually.

Some of the rooms are a little better, with various instruments and potions, and some are used for experiments. In some rooms, there are many creatures of different sizes and shapes, both known and unrecognized. Some rooms don't look so good, and there are glass tank-shaped vessels inside, and I don't know which part of which creature is inside. This kind of painting seems to only appear in some TV movies and novels, which makes Liu Siyi feel very uncomfortable when he sees it for the first time, although he has also killed many troops. Of course, there's a big difference between a direct kill and the way it is now.

The two of them walked to the entrance of the innermost room on this floor and stopped, Bidrin did not go in, Liu Siyi felt a little strange, looked inside, it turned out that there was a transparent magic barrier blocking the entrance, and he couldn't get in.

This room is huge, not so much a room as a warehouse, and the distance between length and width is definitely about thirty meters. The room was square in shape, with a magic circle in the middle that covered almost the entire floor of the room, and only the four corners of the room and the doorway could stand. What is strange is that there are smaller magic arrays in each of the four corners, which are also shrouded in a transparent magic barrier to protect the people inside. At this time, standing on the small magic array, in addition to Old Buck, there was also a Batman.

At this time, in the center of the Great Magic Array, there was a ball of blood the size of a football, wriggling under the light of a layer of red light emitted by the magic array, squeezing out the impurities in it and dissipating into the air.

Of course, Liu Siyi recognized that this was part of the dragon blood he gave to Old Buck.

Dragon's blood is much more viscous and dense than ordinary water and blood, so it weighs a lot more.

The dragon's blood became smaller and more refined, gradually condensing into a mass of essence the size of a fist. The original scarlet blood now looked like a gem with a deep red luster.

The magic barrier was lifted, and the magic array also stopped running, only emitting a faint red light, and the fist-sized dragon blood essence did not land, still floating in the center of the magic array.

"Squeak ......" A sharp cry suddenly sounded.

At this time, Liu Siyi noticed that there was a big bat about one meter tall standing next to Old Buck, staring at the dragon's blood with both eyes, as if it could emit blood.

"Ah, haha, you've arrived, I've just refined the blood essence of dragon blood here, and I'm about to fuse." Seeing the two people standing at the door, Old Buck snorted, and when he saw Liu Siyi's gaze, he explained: "Bats are a common race in the underground world, this is the blood relative of the bat people, and it is also the experimental object of my biological fusion technique this time." ”

"Experiments? Then why does it still look so ......" Liu Siyi didn't know how to describe the current state of this big bat, full of thirst for dragon blood, but still retained enough reason, and it could be seen from its eyes that it had a lot of wisdom.

"That's right, the blood relatives of the Batmen are generally used for reconnaissance, mainly because their combat effectiveness is very low, and they cannot directly participate in the battle. Therefore, there are many bats that will actively cooperate with our experiments in order to get strong strength. Old Buck explained again.

"What if...... I mean, since it's an experiment, it's not going to be successful every time, right? Liu Siyi adjusted his words and asked.

"Biofusion is the quickest way to get great power, but it's impossible to get great power without hard work, not only is the process of fusion very hard, but if it fails, the result is often death." Old Buck said in a deep voice, "However, once they succeed, they can gain great power. ”

Liu Siyi nodded and didn't speak again, this is the price that every successful person has to pay, and the choice is also in their own hands.

Blood relatives are actually very easy to understand, especially in Western fantasy, blood relatives are even more numerous in the orc race.

For example, the mother of the batman will give birth to several small bats at a time, but not all of these small bats are bat people, and there will be real bats, and these bats are blood relatives.

This situation is normal among other orc races, such as the elite wolf knight of the wolf clan, the wolf knight and the mount are brothers, which will make their cooperation more tacit.

Old Buck squatted down, stroked the bat's head, and whispered something, but Liu Siyi didn't understand it anyway. I saw that the bat turned his head to look at Old Buck very humanely, nodded firmly with his eyes, and then turned his head to look at the two of them and the bat man in the corner, with a very weird look on his face, but it actually made people feel a little kind.

Old Buck didn't say anything, but returned to a small magic array in the corner, and waited until Biedrins and Liu Siyi each entered a small magic array, then opened the magic barrier and launched the big magic array.

Liu Siyi doesn't understand the biological fusion of the demon magician, at most, he has read too much anime and YY novels, and he has some ideas about the combination of creatures. Looking at the eight-pointed star magic array on the ground that was very complex, almost no less than the eight-pointed star magic array on the black pupil of the fifth-order artifact magic power, but there was no interference from certain laws, so that he could see it at a glance. From the moment he entered the door, he was attracted by this magic array, and now he has basically memorized the graphics of this magic array in his mind, but it is not so easy to operate normally.

"Master Bidrins, is there anything I can do?" You can't just look at it like this, Liu Siyi asked.

"This is the sorcerer's biological fusion technique, and we can't actually do anything, but Dean Buck is worthy of being a genius, and he actually made a spiritual power amplification magic array. If you want to do something to help it, all you need to do is inject spiritual power into the magic circle under our feet. These spiritual powers will be absorbed by the Spiritual Power Amplification Magic Array, and then transmitted to the test subject, thus helping it stabilize its soul and resist the pain of fusion, which will greatly increase the success rate of the experiment. "After so long, Biderins's face was much better, but there was still a hint of paleness.

In fact, he didn't say a word, these transmitted spiritual powers can only play an auxiliary role, the key is to rely on himself, if the effect of this is really great, this place will already be full of powerful mages, and it will not be the turn of himself who has consumed a huge amount, and the lowly Batman.

But Liu Siyi didn't know this, seeing that Old Buck was ready, he was also ready to contribute.

The big bat also knows that it has reached the most critical moment, and now it cannot afford to retreat, either gain great power or die! It is now faced with what could be the most important choice of this life. Looking at the blood essence, its eyes will be longing, fear, and hesitation, but in the end, its eyes became extremely firm, and with one mouth, it swallowed the blood essence.