"Eric, Elizabeth, now!"
I gave the order, as my two young friends quickly imbued their Mana into the Magic Circle surrounding the Cauldron. Magic quickly began to activate, as the runes rotated around magisterially.
Within the cauldron, all ingredients merged together slowly. The very essence of Yggdrasil and the Dryad Spirits together with all other materials, including the scales of the wyvern we once killed, its blood and flesh, fangs, claws, and eyeballs.
Additionally, I added Magic Ores I was able to purchase around the village over time, including Radiant Bronze, White Silver, and small bits of Mithril, an incredible magic ore capable of conducing Mana.
Eric and Elizabeth activated the magic circle as several lines of energy flowed into the cauldron, imbuing it with great magic power and essence. Combining the essence of the materials, something we didn't saw before emerged, although I could recognize it from my previous life.
Suddenly, a small spiritual projection emerged from within the cauldron in the shape of a wyvern. It roared furiously, flying across the cauldron's surface and around the cloud of smoke it was letting out.
"What is that?!" Eric asked.
"An illusion?" Wondered Elizabeth.
"Alchemy Spirit." Said Erika's father. "If the Alchemy Spirits are taking form this means the process is working as intended…"
"But that's not the only one we'll see." I pointed at the interior of the cauldron, as branches made of green light began to grow out of it, expanding further and further upwards, generating a beautiful spiritual tree made of pure essence.
"T-This is the Alchemy Spirit of Yggdrasil's Essence?!" Erika's father was left without words.
Alchemy Spirits, something I used to call Alchemical Phantoms are special "embodiments" of high ranked materials. When they merge together to form something new, they will emerge one after the other and try to escape from the cauldron, as if the will of these materials itself was trying to fight against the Alchemist.
This is why high-level Alchemy is very different than low level Alchemy. Many think, due to how easy low-level Alchemy is, that there's no need for fighting skills, power, or control to do Alchemy, but that's all a lie. A seasoned Alchemist must fight their own materials as they attempt to combine them.
And force the Alchemy Spirits back inside the cauldron, as they will quickly increase the chances for a successful Synthesis if they're merged with the rest of the ingredients. And if not, the whole Synthesis might fail, ending in a failure and only giving crap instead.
It wouldn't be as bad if it happened before, but now that Erika is being used as a material, a failure is not something we can afford.
"They're escaping! Blake, give me a hand! Puppeteer Threads!"
Erika's father suddenly summoned several threads from his fingertips, as he quickly directed them towards the flying Wyvern Spirit that was attempting to not be merged into the Synthesis, wrapping around the spiritual projection's body, and then pushing it down with all his strength.
"You're not going anywhere! You shall become the strength of my daughter, Wyvern Spirit! Yggdrasil's materials alone won't do, she needs more, more power!" Erika's father was obsessed with magic his daughter strong to prepare her for the dangers that awaited her in the future.
The Wyvern was being pulled down centimeter by centimeter as Erika's father gritted his teeth. Suddenly, his Ki began to flow across his entire body, merging with his Spirit, the Puppeteer Threads.
The Wyvern angrily looked back at Erika's father, opening its jaws. Although it only a third of its original size, it was still as ferocious as when it was alive. Without hesitation, the beast unleashed a blazing breath attack.
I quickly summoned a Spiritual Shield made out of shadows and blood elements that emerged out of thin air, using the spiritual power of Eleanora, I blocked the Wyvern Spirit's attack and then I summoned my Shadow Threads, wrapping them around the monster.
"You're not going anywhere, you're a mere material!"
We forced the Wyvern down into the Cauldron, as the spirit roared angrily, trying to crawl back in, but Erika's father quickly merged it with the other materials, as the wyvern spirit's entire body slowly dissolved into pure essence.
The Cauldron's contents suddenly glowed with bright red light; it was a success! However, there was another, a second and even stronger Alchemy Spirit that was slowly attempting to escape and attack us, the Lesser Yggdrasil's Spirit.
This was one was tougher, but I had prepared a strategy against it.
"The Yggdrasil Spirit is already trying to crawl outside!" Erika's father panicked. He was using his threads to entangle its many branches and force it down, but the tree was unmovable. He had other magic but nothing strong enough to force such an enormous thing down.
Suddenly, a tremor happened, making the entire house of Erika tremble constantly. The Lesser Yggdrasil Tree's Spirit was emanating shockwaves of power, attempting to destroy its surroundings.
The green light branches continued growing upwards, Erika's father threads attempted to put it down but it was impossible. However, I used my Shadow Threads to hold its branches from growing any further, and then, Eleanora did the rest.
Eleanora borrowed my Ki and merged it with Fire Magic, combining Blood Ki with Fire Magic creates Crimson Flare, a Blood Attribute Fire Magic with an incredibly explosive amount of damage.
And she set the entire tree on fire.
"What the…!?" Erika's father was surprised that was so effective.
The tree gave out several shockwaves to demonstrate its agony and anger, but it couldn't do anything to turn off the fire.
"It was obvious you need to use fire against a tree." I continued pouring fire into the tree. Its branches began to fall off, its entire body turning into "ashes" which dissolved into spiritual essence.
Alchemy Spirits all have their own weaknesses and way you could deal with them, it was all up to the accumulated knowledge of the Alchemist. With enough preparation, the chances for success are always very high.