Summoner Legend of Ent Continent

On the top of the mountains, winds and clouds surged, and beneath the stars, giant dragons roared. All believers: "This is the punishment given to us by Orion, the destroyer! All things will be annihilated! Kneel down! Pray! Welcome the destruction of the world!" Gao Han: "He said he couldn't hold it in any longer..." This is a story about a summoner who wreaks havoc in the Ent Continent.