The next D&D product release is Mordenkainen’s Tome of Foes.

General Information

Focus: Extraplanar conflict, higher levels of play
Lore: Reproduction of Mordenkainen’s notes obtained by Sigil-based Arcanaloth Shemeshka the Marauder
Release Date: May 29, 2018
Length: 256 pages
Price: $49.95

Cover Art (incl. Limited Edition)

Will release with Special Edition and Standard Edition
Special Edition only available at local game stores
Standard Edition cover art by Jason Rainville
Special Edition cover art by Vance Kelly
- Vance Kelly interview

Monsters

130+ pages
50% of Monsters CR 10+
Instruction for running high-level monsters
Specific Monsters: Geryon, Marut, Astral Dreadnaught
Templates for Existing Monsters (i.e. types of Cultists)

Locations

Greyhawk
Feywild
Shadowfell
Underdark
Limbo
Chaos
River Styx
Rine Hells
The Abyss

Playable (Sub-)Races?

Githyanki
Githzerai
Elven subraces (Eladrin, Shadar-Kai, Sea Elves)
- Eladrin have teleportation ability, various AoE after teleport, not all necessarily battle-centric
- Shadar-Kai have teleportation ability with spectral form, resistance to necrotic
Tiefling subraces (Zariel, Mephistopholes, Belzebub, Feirna/Beliel, Glaysa, Levisitus, Dispater, Mammon)
NO MINDFLAYERS, EVER!

Cosmic Conflicts and Lore

Elves
- Who? Corellon Larethian, Lolth & Drow (Underdark), Eladrin (Feywild), Raven Queen & Shadar-Kai (Shadowfell)
- Where? Arvandor, Underdark, Feywild, Shadowfell, Greyhawk(?)
Dwarves
- Who? Dwarves vs. Duergar, Duergar vs. Drow(?)
- Where? Underdark
Blood War
- Who? Demons vs. Devils vs. Yugoloths, Cultists
- Where? River Styx, Nine Hells, The Abyss
Gith
- Who? Githzerai, Githyanki, Mindflayers
- Where? Limbo, Chaos
Halflings (Non-Conflict)
Gnomes (Non-Conflict)
- Gnome Clockwork Inventions
Constructs
- Inevitables (constructs made to enforce cosmic contracts)
Giff

Spelljammer

On March 13, 2018, Stan Shinn made a post on Google+ after attending a Wizards of the Coast seminar with Mark Price. He revealed that the Giff will appear in Mordenkainen’s Tome of Foes. This has since been confirmed in art releases.