Biology of Monsters BoM

' Regarding monsters, the first thing to consider is their tenacity, second is their cunning, and third should be their cruelty. '

What defines monsters?

Nothing in particular, the definition is blurred by both apathy and empathy for those beasts... anything sentient that means harm is a monster, that is what researcher Dr. Umbra has decided.

Dr. Umbra has decided one other thing, ethics will no longer be considered.

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Set in a world purged of humans... Violent Monsters, Demons, and Ferocious Beasts have take over.

The strong rule, and the weak die. That is just how it is on this new world, but with every disaster comes survivors. Evolution was not about to abandon Humanity. The stragglers of civilization drastically changed and developed to survive.

Some Humans who bunkered down in giant halls of stone and iron became smaller and more hardy to survive the cramped environment and limited diet.

Some Humans hide amongst the trees, their reflexes and perception vastly improved to suit the hostile environment.

Some Humans became monsters themselves, after all if you can't beat them, join them.

Though, there remains one. Either through some form of Immortality Drug, Complex Bio-Machinery, or maybe even Magic, there remains one Human.

Hidden away under some corner of the Earth lies Umbra's laboratory, a bunker made of alloy strong enough to resist extinction. Alone, he continued his studies on and on... until finally, he deemed the world safe enough to leave once more.
Maybe now he will have some live samples of these so called ' Monsters '.