Into The Unknown

It's the year 2901. It's been roughly 300 years since the last human left Earth - and for a very good reason. The planet has been destroyed almost completely by a large meteorite. The continental tiles have merged into a single, giant mainland, which has been named The Unknown by the new species inhabiting the planet.
The climate of The Unknown is very.. Well, variable. In the very north there's -30 degrees Celsius and in the south nearly +40 degrees. In between those two there are marshlands, warm forests, jungles, even deserts. And then there is the one area most of the creatures live - a large lowland with very pleasing climate and strict seasons. Unfortunately not all of them can live here and that has caused conflicts between the species. Some of them are nearly extinct already while others are flourishing and taking over more land for themselves. The area of this mainland is quite small - the Eurasia has gone fully underwater, so have Australia and North America.

AK is one of the few surviving humanoids in The Unknown. He's dedicated his life to protecting all the species of this new world just like his father did, and his father's father and father's father's father and so on. It's basically a job for him. Oh, and also, he has some serious anger issues.
Wherever AK goes he has his loyal friend, Gerya, with him. Gerya is a two meters tall dragon-like creature, whom is probably immortal judging by their actions, stupid decisions and wide knowledge.
In the Lowlands there is also AK's "brother from another mother", Frigtah. Frigtah belongs in the same species as AK.

This is my very first book in English so no hate please! If you notice some major mistakes in my grammar etc please let me know, as I'm trying my best to improve my English.

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Art related to the story will be in the upcoming captions.