Dragon King from Another World

The Eternal Continent was almost destroyed thousands of years ago. However, after fierce resistance, the instigator was sealed and the followers were exiled. For thousands of years, their two invasions from the wasteland ended in failure, but after acquiring human mecha technology for the second time, another invasion is just around the corner, and the world is in danger.

Can we get through this time? Can the crisis be completely resolved this time? Listen to the dragon's roar.