A terrible factor known as decaying power had formed.
Any dark creatures that fell into the river water, even those that approached the riverbed, would be melted to nothing, turning into a puddle of liquid-like poisonous black water.
Even the existence of top-level disaster spirits wouldn't dare get close to the Sin River Region.
And yet today, two silhouettes were rapidly flickering, turning into crimson meteors sweeping across the sky. Wherever the meteors passed, large numbers of flying dark creatures fell from the sky, their corpses shriveled, their vitality already drained.
After a dozen minutes, the meteors came to a stop, landing on the swamp.