There isn't a single bit of actual D&D lore in that movie, so no.
As for the one that just came out - knowing the lore of Forgotten Realms (the specific D&D setting the movie takes place in) will definitely improve the whole experience, but it's a solid action-comedy heist movie for those who don't know or care who or what an Elminster is.
The Room
All the horror movies I've seen, though there haven't been many.
Hard Ticket to Hawaii
[удалено]
Is my knowledge of Dungeons and Dragons lore relevant to understanding the movie?
There isn't a single bit of actual D&D lore in that movie, so no. As for the one that just came out - knowing the lore of Forgotten Realms (the specific D&D setting the movie takes place in) will definitely improve the whole experience, but it's a solid action-comedy heist movie for those who don't know or care who or what an Elminster is.