Astral Sea

Astral Plane vs. Astral Sea
The Astral Plane and the Astral Sea are two different planes of existence in Dungeons & Dragons (D&D).

Feature	Astral Plane	Astral Sea
Location	A vast and empty plane of existence	A specific region of the Astral Plane
Composition	Pure thought and emotion	Psionic energy
Characteristics	Dreams and nightmares can manifest	Powerful beings can travel and interact
Uses	A crossroads between other planes of existence	A staging ground for conflicts

Key Differences
The key differences between the Astral Plane and the Astral Sea are as follows:

• The Astral Plane is a vast and empty plane of existence, while the Astral Sea is a specific region of the Astral Plane.
• The Astral Plane is composed of pure thought and emotion, while the Astral Sea is composed of psionic energy.
• The Astral Plane is a place where dreams and nightmares can manifest, while the Astral Sea is a place where powerful beings can travel and interact.
• The Astral Plane is used as a crossroads between other planes of existence, while the Astral Sea is used as a staging ground for conflicts.

The Astral Sea is the portion that connects around the Crystal Spheres, and around the Outer Planes.
It is always at a comfortable room temperature, with no normal temperature changes.

Inhabiting Species

• Beholder