Versatile Mage: Invincible from the Fire of Disaster

Lin Ming on Blue Star accidentally traveled to the Quanfa World, and what's worse is that he traveled to Bo City!
The bloody alert of Bo City is coming, and the wolves on the mountain are watching fiercely.
The undead in the ancient capital broke through the confinement of time and continued to erode the territory of the living.
The sirens are constantly advancing along the coastline, trying to devour humans.
The roof of the world, the emperor of the ocean, the master of darkness, and the demons seem to be holding humans in captivity and teasing them, and the future of mankind is filled with gray.
"Demons, just kill them all."
A man covered in blood spoke in a calm tone.
In front of him was a mountain of demon corpses, and behind him was the brightly lit night.
Looking at the Siren King in front of him, Lin Ming took a step forward lightly, and the flame representing human civilization ignited in his hand!
Fire drives away evil spirits and brings peace to all families!
...
"Died? Haha, in the past, that was called a genius!"
Bo City, the Ancient Capital, the Sirens, the Holy City, all those who should be killed will be killed.
The protagonist only awakens one system in each stage.
There will be side jobs.

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