The Eternal Brotherhood
Primary Material Plane – this is where “all the stuff is”. Included in the Material Plane is the Underdark, a literal underground world of caves and chasms where the drow and other races live. This is the likely home of Sunny when she lived the first time.
The Astral Sea – A vast sea speckled with shimmering stars, the Astral Sea is home to the higher deities as well as other native beings. It is a beautiful place but far from unblemished – gods wage war as often as mortals.
The Elemental Chaos – the raging plane of raw elemental power surges with unpredictable fury. A seed of pure evil once planted deep within its churning depths spawned the Abyss, home of demons. Demons, as distinct from devils, seek to emulate the furious chaos in which they were spawned. Although the majority of the Elemental Chaos is simply untamed, the Abyss is overtly evil.
The Shadowfell – although not evil, this reflection of the Material Plane is certainly menacing. The Shadowfell is home to the Raven Queen as well as the souls of the recently dead. It is also home to entire civilizations of Shadar-Kai and other native races and creatures. Passing into the Shadowfell has been a lifelong dream of Gorstag.
The Feywild – this counterpart to the Shadowfell was once formed from the best elements of the fledgling primary material plane. It is the native home of eladrin, gnomes, and other mystical, presumptuous, and arrogant creatures.