In fan art and text-posts, "Quack Prep" is often depicted as:

Whether you are dealing with a literal duck (like the one that carries you over a disproportionately small gap) or the quirky "quackery" of the Underground’s citizens, the message remains: the best way to prepare for the end is to care for the characters you meet along the way. Undertale remains a gold standard for indie gaming because it proves that the most powerful weapon in an RPG isn't a sword—it's a sense of humor and a bit of mercy.

– "Quack prep" has become a community meme, and a solid feature of Undertale's legacy is how many small audio/visual quirks (like misheard voice clips) become lasting inside jokes.

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