Read the dialogue below:

Person A: I recently read "Ulysses" by James Joyce. The narrative style and stream of consciousness technique make it quite intricate.

Person B: That's impressive! I've heard it's one of the most intricate modernist works. Have you delved into Joyce's other works as well?

Person A: Yes, I've also read "Finnegans Wake," which takes complexity to a whole new level with its multilingual wordplay.

From the dialogue, what is a key characteristic of James Joyce's works discussed by Person A and Person B?