Steadfast Wizard: From Heart-Swapping Rat to Dimensional Demon God

After finishing the story, Isaac put the magic book back into his clutches, banished it, took out a new mouse, and stood back at the operating table, ready to continue his experiments.

The gestation of a fantasy legend takes time, and the other two ways to enhance magic power require corresponding magical rituals, unlike the fantasy legend which is simple. So for now, what he can do is to improve the heart transplant surgery and flesh-and-blood conversion as soon as possible to form a certain level of combat power.

That way, we can go to the cabin in the woods and see what's going on there.

Of course, now that the Hand of God has been fully formed, arcane magic can begin to be learned. Legend has it that wizards cannot increase their magic power through learning and researching arcane magic, but they can still cast arcane spells.

Nowadays, many legendary wizards also learn arcane arts to enrich their combat systems.

But the most important thing, of course, is the heart transplant surgery...

-

Solozburg, night.

"*&……%……￥……&"

In the dimly lit laboratory, Isaac, dressed in a white lab coat and wearing blood-stained white rubber gloves, chanted a tongue-twisting incantation. Streams of magic flowed from his body and merged into the body of the rat on the operating table in a bizarre way, accelerating the fusion of the rat with the newly replaced heart.

"Hiss~ Hiss~"

In the laboratory illuminated by blue candlelight, besides Isaac's deep incantations, one could faintly hear the sound of flesh tearing from the rats on the operating table.

That was the sound of the rat's body being rapidly transformed by the magic surging from its heart.

Normally, it won't be that quick to take effect. Firstly, the heart needs time to fuse, and secondly, the demonized rat itself isn't even a demonic beast, so the magic power contained in its heart is very limited, and there won't be any immediate effect.

However, under the influence of Isaac's spell, this process was accelerated.

Soon, Isaac stopped chanting the incantation and frowned slightly as he looked at the ferocious demonized rat on the operating table.

The surgery was a great success; both the heart transplant and the magical transformation of the body went very smoothly.

But it was all for naught, because the demonized rat was so weak that any adult, if they mustered their courage, could easily crush it with a single stomp...

In terms of vitality, demonized rats are not much different from ordinary rats, but their combat power is slightly stronger. Due to the influence of magic, demonized rats are more bloodthirsty and aggressive, but their basic strength is limited.

After frowning and pondering for a moment, Isaac locked up the demonized rat and sat back down at his desk to read the spell for the heart transplant surgery.

His advantage lies in the ability to infinitely stack spell effects; we should make good use of that, perhaps we can find some enhancements...

"Sigh~"

After a long pause, Isaac sighed and reluctantly put down the parchment scroll. It contained only basic spells, mostly healing spells, none of which were the kind he needed...

This path is blocked.

How about a different kind of monster?

After a moment's thought, Isaac sighed. It wouldn't work.

Monster hearts are considered a relatively precious material and are not easy to obtain.

It's not easy for him right now, because not all monsters have a heart...

"Hmm? No, I'm thinking off-topic!" Suddenly, Isaac shook his head, got up and walked towards the demonized rat. With a "ripping" sound, a ferocious demonic claw emerged from the back of his head once again.

I almost forgot, the demonic heart transplant surgery itself isn't important; what's important is combining it with the innate sorcery of flesh-and-blood transformation.

Admittedly, a powerful demonized heart can greatly enhance the strength of a modified body, but correspondingly, the magic power consumed when casting innate sorcery will also increase.

Therefore, from this perspective, perhaps we don't need to overemphasize individual strength. Although the Demonized Rat is weak, it has its advantages. At least the cost of converting into a Demonized Rat is not high. And although a single Demonized Rat is weak, if there are many of them...

Its power won't be much less!

Even a large number of ants can kill an elephant!

If a rat swarm can be unleashed, it will be hard to say who is stronger. Not to mention first-tier monsters, there aren't many second-tier monsters that can ignore a rat swarm.

Worth a try!

Of course, all of this is based on one premise—the cost of transforming the demon rat is very low.

Walking to the cage in the corner, after observing it for a moment, the Demon Claw picked up a demonized rat with its two claws and tossed it gently. Then, a mouth full of ferocious serrated teeth appeared in the palm of the Demon Claw!

Swallow the demon rat in mid-air in one gulp!

In an instant, the physical structure of the demonized rat appeared clearly in Isaac's mind!

Isaac stroked his chin thoughtfully; this... was something he hadn't expected...

Sensing the body structure of the demonized rat in his mind, Isaac narrowed his eyes slightly. The potential of the flesh-transformation magic was far more astonishing than he had imagined. In just a short while, three plans to optimize the body structure of the demonized rat had already appeared in his mind!

"Hiss~ Whoosh~"

Isaac took two deep breaths to calm himself down, then looked at the rat carcass in the corner. He decided to take things one step at a time, first testing the consumption of transforming the demonized rat, and then slowly optimizing the transformation of the demonized rat.

The flesh-and-blood conversion spell has two activation conditions, one of which is consuming a biological sample. However, this can be done by a magical pet on Isaac's behalf, which is also the original purpose for which magical pets were developed.

Many spells have disgusting conditions for casting; some involve swallowing live rats, others even involve swallowing rotting corpses!

Therefore, the existence of magical pets is very important.

Besides the necessary condition of consuming biological samples, flesh-and-blood transformation also requires another condition—an equal amount of demonized flesh-and-blood.

This casting condition is not mandatory. You can create a demonized rat with magic power even without demonized flesh and blood, but it will consume a lot of magic power. It is best to prepare some demonized flesh and blood.

As Isaac thought for a moment, a strange, blood-red ray of light shot out from the index finger of the demonic claw, accurately hitting the rat carcass in the corner trash can.

Then, a miraculous scene unfolded: the rat corpse struck by the crimson light trembled slightly and "came back to life"!

"Hmm... so little?" Isaac was pleasantly surprised after sensing the magic consumption. With this level of consumption, he could release hundreds of spells continuously!

Of course, the premise is that there must be enough demonized flesh and blood. If it is simply condensed by magic power, then he will run out of mana at most with just a dozen or so demonized rats.

But that's nothing. Demonized flesh and blood are much easier to obtain than demonized hearts, and they're also cheaper!

I just don't know how long the demonized rats created by the flesh-and-blood conversion can last...

This is quite important. If it can be maintained, that would be excellent, as it would easily raise a huge monster army. However, the consumption would be greater, since they would need to eat.

However, if it can only be maintained for a period of time, that's fine. Although you can't mass produce troops, you can make drastic modifications to the demonized rats and do everything you can to enhance their combat power. Don't worry about their lifespan, since they will die when the magic time is up anyway.

In short, regardless of the type, this witchcraft has great potential!