Prime Material Plane

Place

The Prime Material Plane holds the homeworlds of many mortal humanoid races and their civilizations. It consists of an endless ocean of phlogiston extending in all directions. Within this ocean, immense crystal spheres hold solar systems, which include the worlds themselves.

From Earth looking outward, the Prime Material Plane includes:

• Assembler Space
• Closeness
  • Sihblos (once called Cryos)
  • Earth
  • Tessera
  • Other spheres and worlds
• Darkened Worlds
  • Athas ((Dark Sun))
  • Daysahren (aka UON-432)
  • Innistrad
  • Other spheres and worlds
• Magitec Expanse (("gempunk worlds"))
  • Amonkhet
  • Eberron
  • Kaladesh
  • Ravnica
  • Other spheres and worlds
• Mythic Reaches
  • Dominaria
  • Exandria ((Critical Role))
  • Faerȗn ((Forgotten Realms))
  • Greyhawk
  • Ixalan
  • Krynn ((Dragonlance))
  • Mystara
  • Theros
  • Zendikar
  • Other spheres and worlds
• Planter Collective
• Reaver Combine
• Tanyth Aramont
  • Skyguard
  • Sunfist
  • Talarin
  • Other spheres and worlds