In the Dungeons & Dragons fantasy role-playing game, Elysium, or more fully, the Blessed Fields of Elysium, is a strongly good-aligned plane of existence. It is one of a number of alignment-based Outer Planes that form part of the standard Dungeons & Dragons (D&D) cosmology, used in the Planescape, Greyhawk and some editions of the Forgotten Realms campaign settings.
The plane known as Elysium was mentioned for the first time by name in the article "Planes: The Concepts of Spatial, Temporal and Physical Relationships in D&D", in The Dragon #8, released July 1977. In the article Gary Gygax describes the plane as one of the "Typical higher planes". The plane was mentioned again in an appendix of the known planes of existence in the original (1st edition) AD&D Players Handbook, published in June 1978, where it was described as "The planes of Elysium of neutral good".
Elysium is a plane of idyllic good and the destination of the souls who sought always to further the cause of good without regard to law or chaos. Elysium is home to many celestial creatures, predominantly the guardinals, a race of celestials native to the plane.
Here colours become more vibrant, with the land itself working to remain as peaceful and alive as possible. Extended visits to Elysium causes one to lose interest in leaving, eventually becoming petitioners to the plane (similar to the effect that its evil counterpart, the Gray Waste, has on visitors). Other hazards include angering the plane's natives, who are surprisingly formidable.