Unlike the fog, which creates scenes based on memories, Absolute-Flavor Mushrooms and Despair Mushrooms are guided by emotions, using high-concentration Magic Power to manifest a real Illusion Realm.
However, just like Dylan's father–daughter deep-affection Illusion Realm couldn't affect Little Pig and the others, the Illusion Realm created by the Despair Mushrooms also needs emotional Resonance to take effect.
Fear and despair are the emotions that most easily produce Resonance, and the stronger the Resonance, the more it attracts attacks from the Illusion Realm monsters.
This is also why Lin Jun had to knock all the slaves unconscious before moving them.
Before those blood-drawers and soldiers who were deeply trapped in chaos and terror were taken out, the unconscious slaves were relatively safe.
This was all precious experience the D Level researchers of the Mushroom Garden had left for Lin Jun.
