

However, she quickly got bored of doing it this way, preferring to make the inhabitants of these universes destroy it themselves for her fun. She was first doing it with a single swing of her knife. She didn't hesitate to go to other universes, and she has been the cause of the destructions of plenty of alternate universes in the past. This being gave her the power to travel through universes. It is revealed in the most recent content that she made a pact with a being named either "Satan" or "the demon" on separate occasions to become more powerful. Since all monsters hate humans, she counts on the destruction of the barrier to cause a human-monster war. She wants to destroy the universe, but her plan is to first do a post-genocide pacifist to destroy the barrier. She prefers to be called "Pandora" because of all disasters she caused. After Sans freed her by giving Frask his intelligence back, she could have killed Sans during the first turn of their fight if she wanted to.

She is pretty smart, evil and seems to be the second strongest character in Underfail. Even after Sans saves them, she still manages to kill Frask during their discussions with Sans or when Sans isn't there anymore. Very forgetful when conducting Frask through the trap with spikes, as she forgets the way then dies. His name is often incorrectly said and his Friendship petals (Friendliness pellets) fill HP. After explaining his past to Sans, Pandora is awakened, and he never reappears again. When he gets his intelligence, due to remembering his past, he wants to become a retard again. He does For a short amount of time, he reveals that he is happy to be a good and happy person, as stupid as he is, and that he doesn't want to kill monsters. Then, he died over and over in the spike puzzle for 300 years, until Sans arrived and let them pass. According to Pandora when she was talking to Sans, the pact he made would be broken if Pandora failed to do a pacifist route, which would cause Frask to recover his body. He eventually made a pact with Pandora so she bring the world back to the state he entered it in, in exchange of his body. When he did his first route in this Underground, the monsters were so stupid that they could only kill themselves, except for that time he killed one of them, then others, which ended becoming a genocide route, though he didn't want to. Climbed to the top of Mount Deigamer, thinking it was a good idea.
