How many letters does the top answer for “author of the devil's elixirs” have?

The most common answer is hoffmann (8 letters).

Crossword clue: author of the devil's elixirs

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

hoffmann 8 letters wd-fact-v3

author of devil's yard 50% similar → andric

author of the devil's dictionary 50% similar → bierce

composer of the devil's elixirs 50% similar → hoffmann

wrote the devil's elixirs 50% similar → hoffmann