"Disaster creatures had never existed in the death realm before. As far as we know, the origin of Disaster comes from the Nether River. One theory suggests that the Hani Clan, in their efforts to overthrow Empress Persephone, summoned the Disaster and allowed it to descend upon the death realm."
"Actually, our understanding of Disaster is still limited. All we know is that these blood-like, tumor-shaped life forms are one manifestation of Disaster. Destroying them can slow the spread of Disaster."
"Currently, Disaster is spreading across the death realm, and we are working to block its advance from the north. We hope that the situation can be stabilized in the other four directions."
The Disaster nests, which were attached to the corrupt land, lacked offensive capabilities of their own. They could only summon Disaster creatures, so under the attack of the Bone Dragons, they exploded one after another.
The undead forces slowly continued to advance.