Part 6/10:
As the years pass in this pillow world, viewers see Finn age, drastically altering his physical form and identity. With each passing moment, the memory of his real life fades, leading him to forget critical aspects of his true self. The Oracle, another fantastical entity, further complicates Finn's understanding of reality by hinting at a mysterious future.
The culmination of this narrative occurs on Finn's deathbed, where he drifts into an encounter with a monstrous entity named Gulb—a creature that embodies chaos and destruction. Here, the episode strikes a chilling note, suggesting that the experiences Finn accumulated in the pillow world could be nothing more than an illusion or a tragic figment of his imagination.