Matthew Mercer is one of the world's most popular Dungeon Masters. Alongside other incredible DMs like Deborah Ann Woll, Brennan Lee Mulligan, and Aabria Iyengar, Mercer has undeniably shaped how players worldwide approach tabletop role-playing games. As Critical Role, the multimedia entertainment company Mercer co-founded, has grown and evolved over the years, one thing has remained constant: Mercer’s willingness to help other tabletop players. He is especially eager to support aspiring Dungeon Masters who hope to develop their skills and become as accomplished as he is, even appearing on the official Dungeons & DragonsYouTube page to provide assistance.