"What is a grimoire", Sam asked the voice. The voice told him that grimoire's are books that contains spells and allow humans to cast magic. Without a grimoire the magic cast by a human is very weak because humans don't have the innate ability to feel mana.
In this world, mana was abundant and thus many species used magic. Out of them Elves, Fairies and Demonkin were the most talented in using magic because they could feel mana. Humans on the other hand relied on grimoire to act as a catalyst for mana control.
'Is this the grimoire that I have read in stories?', Sam imagined a book with loots of strange symbols and circles that characters would usually had besides them opened and chant spell and the grimoire would shine and speel executed. [You are correct in a way, though it is not all that flashy the way you make it look], the voice corrected Sam.
"So where is my grimoire", Sam searched his pockets and the small green bag lying next to him but didn't find anything.
[There is no grimoire], the voice told him.
Sam was unsure how to react to this,"But you just told everything about a grimoire". The voice replied the same but continued explaining to Sam in a better way. [Just now I told you grimoire act as a catalyst for spells. Do you know how it works?], puzzled at the question he racked his brain and came with a bunch of theories of course all of which related to the comics and moves he had read but the voice clearly refuted them.
Now Sam demanded an explanation and the voice complied by telling him, [So a grimoire is a book that every mage uses to caste magic. Slowly and slowly the mage grows in power and mana efficiency. And so does the grimoire. A time comes when the grimoire becomes so powerful and a soul is born inside it. That is what I am, fufu],Sam heard the voice explaining and singing it's praises with disappointment in his eyes.
Till now everything Sam had heard he hasn't process it fully but he still let go of everything and just asked what op powers he has got.
[Don't feel any power inside you], the voice dropped a bomb on Sam. Sam asked the voice to tell the truth but the voice answer didn't changed. In the end Sam gave up and looked at the red sky for a minute and let out a big sigh.
Isn't this the point the mc is reincarnated and given op powers. He goes on to destroy kingdoms and make his enemies cower in fear. Where is God, where are my powers, Sam was crying and complaining at his situation. Even this voice inhis head didn't knew what it was except a few things. It was totally useless. I would have done with atleast a decent system, Sam thought and the voice got angry and yelled at him
Sam got up from the ground and yelled in the sky, "I will take my revenge for this shitty reincarnation". He stomped his feet two times on the ground showing his anger and still nothing happened.
"Haa, what did I expected. Of course God wouldn't come here when I throw tantrums", he walked towards a tree and under its shade.
*Grumble *grumble
His hungry stomach was making various noises. 'What should I do?', there was only open field beyond which lied a forest. Nothing in his sight pointed to food and he was barely familiar with the plants.
[I will help you. Now start moving and hunt for animal or insect whatever you like], the voice interfere and told Sam. 'Yes as you say', he got up without any spirit and started walking like a zombie. After a long search he encountered a rabbit. He had not ever thought of eating a rabbit but his situation made the rabbit look like a delicacy. Sam's mouth started drooling on the thought of eating it. [You have to catch it before it runs away idiot], Sam was brought to reality and he immediately jumped on the rabbit.
The rabbit being very agile gave Sam a run for it. Sam found it difficult to chase the rabbit but after 15 minutes of struggle was able to catch it. The question now remains how to kill it. Sam had no experience in killinga and cooking a rabbit. [Not a great deal], the voice slowly instructed Sam and he found himself enjoying the rabbit after thirty minutes of hardwork.
When he had his fill Sam found himself at peace yet at the same time full of worries for the future. The world he knew had changed and the life he used to live was gone. He has to completely build everything from the scratch.
'Lets go to the closest city', Sam was filled with motivation and got up to leave but then sit down again. [What happened smarty pants], the voice teased him.
Sam had forgotten that he didn't knew the direction and sat down to rethink his decisions.
'Sei, tell me in which direction is the city', Sam asked the voice. [Sei.. Who is Sei?], the voice got angry when Sam named it.
'Ofcourse you are. You didn't tell me your name and I just can't continue addressing you indirectly', Sam pointed out.
[Okay, for now you can call me Sei. I don't know the direction], getting his permission Sam became happy and they both agreed to an arbitrary direction to move.