Brennan Lee Mulligan's crew in January notched a new milestone in the nerdworld business — selling out a 19,500-seat arena.

He's been giving Daniel Pascoe a rundown on all things Dungeons and Dragons.

I'm Dungeon Master Brennan Lee Mulligan, here to answer your questions from the internet. This is Dungeons & Dragons Support. Bears are more dangerous than owls. Just have a regular bear.

Brennan Lee Mulligan has shown “Dimension 20” viewers countless new worlds as the dungeon master of Dropout’s tabletop actual play series, but now he’s stepping into a new realm: professional ...

Brennan Lee Mulligan of "Dimension 20" fame remembers when he first met Critical Role's Matthew Mercer, and relates that anecdote with the infectious joy of a man who's found his gaming soulmate.

Monét X Change, Alaska Thunderfuck, Brennan Lee Mulligan, Bob the Drag Queen, and Jujubee embark on a fantastic adventure. Credit: Mashable composite; Dimension 20 Looking for an epic fantasy ...

And if you’ve already been there, done that, and watched the footage — read on, because we asked Dimension 20 host Brennan Lee Mulligan how it all came together. [Ed. note: This piece contains ...

Brennan Lee Mulligan has shown “Dimension 20” viewers countless new worlds as the dungeon master of Dropout‘s tabletop actual play series, but now he’s stepping into a new realm ...