Mission Impossible: Annihilate The System Holder

In the world of Bra'na where the mythical powers are pretty common, there was magic, sword skills and extraordinary powers that can held by the all living things. When the humans are pretty lively living at the world, suddenly A mighty figure face showed up in the sky. The figure face was extremely horrible, that made all people see puke. but the intention of mighty figure was to send a indestructible structure on the surface. The impact of the structure in the surface was disaster, but it can be handle with the help of the powerful humans. In the area where the structure lands, there was a vicious tribe with many outlaws lived. They discovered an unknown power with no limits called system. they planning to conquer the world. Three years later, they succeed to conquer the world by taking advantage of their power, their numbers was greatly expand that no one can rival to it. Unlucky Luke was born to their era, he was a slave, he experience harsh and pain being a slave without freedom. But one day when he was picking a herb, he found a mysterious object and immediately stick to his body, He freaked out but the blue HUD appeared on his front. [You want to be stronger?] [Try to kill a system holder and absorb it's power] [Don't worry there was an absorb button, press it if a system holder died by your hands] [Absorb!]