Final answer:
To make a Polyjuice Potion, you need Fluxweed, Knotgrass, Lacewing flies, Leeches, and Shrivelfig. It is a complex potion featured in the Harry Potter series.
Step-by-step explanation:
The ingredients needed to make a Polyjuice Potion, as described in the Harry Potter series, include a. Fluxweed, b. Knotgrass, c. Lacewing flies, d. Leeches, and e. Shrivelfig. This potion is complex and advanced, and it allows the drinker to assume the form of someone else. Typically, students at Hogwarts learn about this potion during their second year of study in the Defense Against the Dark Arts class.