Berserkers? Dragons?

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"…at least the 'Crystal Sky Eyes' are working." Little Tiger muttered as his eyes blossomed with a rainbow colored light. "Unfortunately, I don't have enough supply of energy to have it on for even a minute."

Little Tiger sighed and collapsed on his bed. He stared blankly on the ceiling while in deep thought…

This place is the territory of the Blue Mountain Tribe. The tribe is strategically built and is hidden to Demonic Beasts which gives the tribe some sort of safety. That being said, they are in a mountain range, and just beyond this mountain range is a massive jungle filled with all sorts of demonic beasts. 

Even though the tribe have some sort of security, it only due to sheer luck that it's still standing right now.