The rise of Markus

Once a tale was told of a man that discovered a huge skeleton of a giant lion that's taller than the mountains. They shared the bones and gave them to the government which kept them hidden in an army base that shall not be leaked.
In this base they scanned the bones and did some more research on it to find out what it truly was.
Its origin was unknown but some traces of dirt from the earth was found outside the bones, which made them believe that the creature was created from the ground of which they stand.
One scientist called Riviera Laverday desired to revive the giant lion but the higher-ups refused to let him do this action.
They fought many times and tried to fire that scientist but he always came back.
Others told that he was insane and that he told of hearing the lion's voice at night.
As the area was closed that scientist snuck in and brought candles, dirt, fur and other lion body parts.
He then did a strange dance and prayed to the unmoving bones. All of a sudden the skin and the other lion offerings stuck to the bones. The lion rose up and destroyed the ceiling, which turned on the alarms.
Its eyes burned like the stars and it crushed his summoner from his hands.
The other researchers and scientists arrived as well as the army, but they were all crushed and cut into pieces by the lion's claws.
It was a massacre; however, every animal in this location was spared and Markus seemed to appreciate their existence. He also freed other animals that were captured by the research team for redacted experiments.