It's time to continue my headcanon plotline of Quest Sprout's story.
You can check out the previous chapter here:
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The Dream Princess keeps opening windows from the Dream Realm to the mortal realm to alert everyone who previously helped Quest Sprout (or vice versa) that he and Momma Sprout are trapped in the now corrupted Dream Realm, with Eternal seeking revenge against them. Once everyone is in the Dream Realm, they begin searching for the Sprouts while discussing what the plan is to save them.
However, everyone's fears begin manifesting*, sabotaging their search. They seemingly find Momma Sprout, who is enraged that they put Quest Sprout in danger, and begins attacking them with her powers. While the others beg for forgiveness, the Dream Princess tells them it's not actually Momma, and that it's a manifestation of her, representing their shared fear of being punished for endangering Quest Sprout. Because nobody conquered their fears back in the mortal realm, everyone is too scared to face the manifestations and runs away from them, continuing their search for the Sprouts.
*Everyone minus the Dream Princess, because she's a dream being, and dream beings don't sleep/have dreams or nightmares.
Meanwhile, the Sprouts, just a couple minutes after facing their fears, hear a loud noise, seeing Eternal's army of nightmare demons charging at them. They work together to fight the demons, getting slightly injured in the process. The army splits into two groups, one going after Momma Sprout while the other surrounds Quest Sprout and grabs him. When she sees that her son is about to be mauled to death, Momma Sprout LOCKS THE F**K IN and brutally kills all the demons. She then comforts Quest Sprout and uses magic to heal his injuries. He in turn does the same with hers.
Eternal, dumbfounded that the Sprouts survived, finally loses his s**t and prepares to set out to kill them. Pest Sprout tries to get him to stop, only for Eternal to give him an ultimatum, where he either helps him kill the Sprouts, and he will be spared, or not help him, and face the punishment of death.
After fighting his demon army, the Sprouts, against their own interests, decide to face Eternal once and for all if it means they can finally wake up and leave the corrupted Dream Realm.