Creature of the Voyage

A young child, intrigued by the ideas of an unknown beast roaming the lands and swimming the oceans of Earth, takes the responsibility of giving life to such creatures in her own hands.
Now, time has reversed back to the era of straw beds, stone tables and traditional weapons.
All because of one of these 'creatures' burning the world of skyscrapers and technology down, leaving the forests and rivers unscathed.
Only several humans had survived the annihilation, desperately trying to live on.
Only this time, they had neighbors in the mountains.
Winged, clawed, hoofed neighbors.
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Harmony existed, yet at times, it felt like a ghost haunting the Kali village.
For centuries, conflicts among them and their neighbors had been well avoided, with each colony going about their lives as normally as they could.
Hunting each other down, however, was both tradition and survival.
But what happens when an errand turns to a brawl? One that would shake the world awake?
Letting their creator know that they still rule the food-chain?
Or what awaits those who happen to share the same blood as them, but are human?
Heroism, or death?