I’m preparing a puzzle tower for my players, with a twist. It’s one empty room that goes up four or five stories, but one wall is entirely a mirror that shows stairs, walkways, doors, etc that are invisible to the player except when looking at them in the mirror and are solid objects. This includ...

Can the Artificer cast Enlarge on one of their eldritch cannons to grant the cannon the extra 1d4 damage to its initial damage? Some of us were confused on the official ruling of that spell.

In my campaign, I'm planning to have an NPC ghost possess an NPC vampire. Is this even possible?

Suppose player "Apple" has telepathy, and tries to communicate with creature "Bagel," whose stat block explicitly says "understands Common but can't speak." Bagel can't speak, but presumably can understand Common and think in Common. If they can think in Common why might they be incapable of repl...

The spell Bigby's Hand creates a large hand of force that can grapple a target: Grasping Hand. The hand attempts to grapple a Huge or smaller creature within 5 feet of it. You use the hand's Strength score to resolve the grapple. If the target is Medium or smaller, you have advantage on the chec...

I'm currently DM-ing a campaign and one of my players is playing a Warforged Artificer Armorer. At lvl 3 he gains the Thunder gauntlets that as Tasha's describes has a forced attack effect on the artificer. "A creature hit by the gauntlet has disadvantage on attack rolls against targets other tha...