Character surrounded by ghasts, a stench save for each?

Create Homunculus, If the homunculus dies can I use my hit dice to bring it back above 0 hp

If you ready an action to strike an foe, can you use action surge on that held action?

Does the bearer in possession of the Ghost Lantern will never need to make a death saving throw?

Can you use Divine Smite while raging?

How does AC with unconcious targets come into play?

The drow pantheon, can you confirm any of the following: Eilistraee, Ghaunadaur, Vulkoor?

How does Zone of Truth work exactly?