Shadow Demons thrive and scare the best in a setting that compliments their stealth capabilities, such as a dark mansion or a ghost town at night. Invoking the paranoia of being stalked in the dark, the Shadow Demon is the kind of terror that, ideally, players should never be able to see. Related: 6 Spooky Tabletop RPGs to Get in the Halloween Spirit This means it's able to sink in and out of walls and floors in order to get the terrifying jump on any adventurer left in the dark. With a +7 modifier to its stealth, the Shadow Demon can already slip away from even the most perceptive adventurers, but if that simply isn't enough, the Shadow Demon has another horrifying ability: incorporeal movement. The Shadow Demon can hide as a bonus action while in dim or darker light. The Shadow Demon already looks the horrifying part, but the true terror comes with this fiend's abilities.