How darkvision interacts with creatures that exploit dim light/darkness, can it still Hide/turn invisible?

I always wonder about how darkvision interacts with creatures that exploit dim light/darkness. If a shadow demon or shadow mastiff is in (objectively) dim light, and it's within LoS of a creature with darkvision, can it still Hide/turn invisible? @JeremyECrawford @Dan_Dillon_1 — Keith Ammann (@KeithAmmann) April 24, 2020 A shadow demon in D&D can use […]

If PCs suspect ambush, should DM use passive or active Perception?

@JeremyECrawford LMoP, p. 7, if PCs suspect ambush, should DM use passive or active Perception (vs. mob Stealth)? — John Platte (@jplatte11) July 5, 2015 I usually don't ask for a Wisdom (Perception) check unless a character is actively trying to perceive something. https://t.co/vbw3qgJ39O — Jeremy Crawford (@JeremyECrawford) July 7, 2015

Players drink invisibility potion cast pass without trace, Could a guard dog still smell them?

@JeremyECrawford @mikemearls @SageAdviceDnD had to stop a session because I didn't have an answer for players. Players drink invisibility potion cast pass without trace to infiltrate pirate hideout. Says can't be tracked without magical means. Could a gaurd dog still smell them? — Phillip candelora (@Sweatbacks) November 5, 2018 The pass without trace spell gives […]

Would the effects of two Sickening Radiance stack?

Jeremy would the effects of two sickening radiance stack? Failed saves= 2 levels of exhaustion? — Erik (@StealthFatality) February 23, 2018 The effects of a non-instantaneous spell cast multiple times don't stack. See "Combining Magical Effects" in the Player's Handbook (p. 205) for more information. #DnD https://t.co/6gG1OyxADc — Jeremy Crawford (@JeremyECrawford) February 23, 2018

Would the action to call another lightning reveal your position?

@JeremyECrawford would the action to call another lightning reveal your position? the PHB is unclear about the type of action it is. pic.twitter.com/Y36ry1QUZa — Eduardo F Vieira (@mineirodabahia) November 8, 2017 In the call lightning spell, the special action to summon more lightning doesn't specify that you must speak, so you could do it stealthily. […]

Does an unarmed strike, while wearing Adamantine Armour, count as a magical attack?

Does an unarmed strike, while wearing Adamantine Armour, count as a magical attack? — Cameron (@MockStarNZ) November 8, 2017 Mithral armor is a magic item. It follows the rules for such items, including the text in antimagic field on magic items. #DnD https://t.co/mieVDbt90P — Jeremy Crawford (@JeremyECrawford) November 8, 2017 Is that a yes? Magic […]