"I'm not certain evil is the right term. Evil implies malicious intent. A kind of premeditation. These creatures become utterly mindless--they lash out at everyone and everything with no thought to even their own survival. Even an animal has more presence of mind than they!

As to the Evil Seed and the astral fissures--they radiate energies that corrupt those who come near. Grated, the fissures can appear anywhere, but once they appear they remain static. A fissure can be sealed, but others will spring up." He pauses for a moment. "You know, I haven't yet discovers what causes them to appear when and where they do--it is entirely possible they either somehow follow the will of the Cursed Sword or simply appear randomly."