If a lock has a specific key, is the lock still pickable?

Are climbing, crawling, swimming, considered “Difficult Terrain” for a UA Ranger?

Was the re-use of the cloud castle in Force Grey and Aquisition Incorporated set piece made it into another big game?

Are you aware of the online debate surrounding the multiclass Pact Magic rules?

Why such a huge change in appearance to firbolgs in 5e?