
Mizu Zokusei no Mahou Tsukai Dai Ni-bu: Seihou Shokoku-hen is a Japanese novel of 861,327 characters, with 16,185 unique words and 2,235 different kanji. Its difficulty rating on Jiten is hard, 3.5 out of 5. The full vocabulary list ranks all 16,185 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.
Here are some of the words that appear most often in this media, as well as a sample of its rarer vocabulary.