The Scientist of Monster Creation, forcefully Hired

Inside the Book was even a page about how the School of Will is different. 
In short:

Overlaps:
-Chantless
-Impressing something with the Mind on Mana
-Less needing of Understanding of every component of Spell
-Both not Good to have on big thing

Difference:
-Sorcery can do many thing at once
-Sorcery is more abstract
-Sorcery can make form the Mana in more shapes
-Will School is better for careful operation
-Will School can recycle Mana
-Will school doesn’t get really stronger with familiarity
-Will School is still more program like

And the Abstraction it’s talking about is hard to explain. 
But I guess there were already examples of it. 
Heat Manipulation through Fire is a part of the abstract of sorcery. 
Also that some things can be made sharper, harder on so on. 
The book gets more detailed of Cold or Hot aligned can suck of Heat and store it to explode. 
Very detailed, especially on where to hit and so on.

I guess it’s easy to guess that the Author is a fire Sorcerer. 
He also wrote must have spells, strictly warning people who already have ideas to not read it until exhausting the ideas. 
The next spells are things sorcerer need when fighting, but having them in mind can extinguish one creativity.

First is a Remote Spell. 
Mostly inspired by an existing Magic, and just copying and teetering ones Mana to it.
This one continues to exist as long as the sorcery can keep supply Mana and isn’t otherwise broken

Another one is a wall. 
Creating walls, straight plates, curved or encapsulating oneself. 
It’s important to have different walls and to know hen to place them. 
He wrote more about the Dangers about having only one wall spell.

Then a semi-teleportation. 
The envy of any Mage, to be able to connect two Mediums with another and Teleport. 
Depending on Affinity and proficiency, it can act as semi-portal. 
Drawback is depending on Affinity.

The Caster and what he has directly on him survives most of the Time. 
With Fire, the two Points are easy to see since flames flare up. 
For the Portal, one has to burn things. 
Depending on what it is, it survives the teleportation, but can loos magic potential.

And things like a clockwork will delivered in parts and slightly molten. 
It seems the harder something is to burn, the more damaged it will carry over. 
On the other side, of the Portal, someone has to take it out quickly or extinguished the flame, since it doesn’t stop burning. 
On has to fin out from one’s own affinity and how one’s spell function, since there can be individual differences.

He said that this spell are mostly safe to practice. 
But also a caution to only teleport small things, since engulfing oneself at first try can cost some finger or hair. 
Maybe a limb or two when one is talented.

But he also wrote that self-teleportation is actually pretty easy to learn, like in two weeks. 
The hard part is to make it fast or over greater distance. 
One will find out what he means when using it.

The Next spells are recommended to have someone standing by his side or a Mental shielding skill. 
He talks about a Sense spell. 
To spread one’s medium to act as one ears, eyes and so on. 
Depending on affinity, some forms of sensing are easier.

The optimum is to make the Medium as tiny as possible, but for practicing, one should summon it at a small size one can easily keep up. 
Then, one has to close one’s Eyes and try to fell the effect the Medium has in the surroundings or reverse. 
Trying to feel it over the Mana and transferring the sensation to oneself.

And a note that there isn’t a more adapt description in this book since everyone can think different from it. 
Especially since such a thing gets normally thought by a Mentor. 
But the spell is a must have for Sorcerer who face opponents. 
And that one shouldn’t practice the spell when one really can’t do it, regardless of circumstances why.

The other is a spell going well in hand with the sense spell. 
A Pseudo-Domain spell, we’re the Medium gets spreed aggressively. 
It allows to act fast from everywhere in the Domain, but some spell still need a buildup.

The author also warns that only using Pseudo-Domains for attacking will have an effect on attack power when not having on up. 
Pseudo-Domains are a safe haven where one has more freedom what to cast. 
On the other side, most spells formed through it are a bit weaker. 
But worst, one doesn’t familiarise oneself with the spell, so the attack power while nearly never go up.

This are most important spells. 
As recommendation are too:

A cheap Barrier to permanent keep up. 
Something to boost speed and/or hinder pursuer. 
One to hide oneself, when possible, but most affinities can’t do it unconditionally. 
To spread one’s Medium very far, without making it a domain. 
A Spell to make a weapon, armour, shield or enhance on of this. Very valued when in teams. 
Something that can heal or at least provides first Aid. 
On to knock back most entities in a radius, mostly made by compressing one’s medium. 

And a last things is Transformation. 
And advanced forms of the Teleportation, of one wants to say. 
One transform oneself into the Medium and can do things. 
What things? To numerous to describe. 
But it acts as a semi immortality as long one can keep it up.

And at the Back of the Book is the most interesting part for me. 
A legend of an Snow Sorcerer who brought down an Ancient Dryad. 
It seems he is seen as evil and not being named.

The Dryad safe guarded a Forrest, before being nearly untouched, only occasionally foraged. 
I bet the Forrest get now plunders for all Resources. 
Or not. It seems the Sorcerer brought down the whole Forrest.

He create an Artificial Winter, but colder and crueler then ever. 
Trees and animal froze to death, regardless of preparations. 
And the Dryad died with the Forrest, not being able to even lift an finger before dying.

And like that, the greatest Forrest and one of the strongest creatures ever known, died. 
It seems to have been a big deal.