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Eldritch Expansion


"Eldritch magic, the powers drawn from those dark beings and forces which exist between the stars. Not as pervasive as the arcane and divine magics wielded by more common spellcasters, eldritch magic always presents an aspect of otherness, a connection to a world which rarely intersects with ours and which strikes ordinary mortals as strange... and dangerous."

Unlock the secrets of the Far Realm and otherworldly magic with this over-60-page supplement for 5th Edition Dungeons & Dragons.

The Eldritch Expansion offers new materials for both players and Dungeon Masters interested in the strangest and most other-worldly aspects of the worlds of Dungeons & Dragons. Inside you'll find resources and rules for traversing the Far Realm, calling upon eldritch magics, and battling alien creatures.

Included in this supplement:

  • 10 pages of lore and optional rules for the Far Realm, aberrations, and eldritch magic.
  • 17 magic items, including 3 new artifacts.
  • 2 new races, the Eldritch Scion and Rogue Illithid.
  • The Eldritch Warden, a new class with 3 specialisation options.
  • 7 new class specialisations, including new options for barbarians (the Abomination), clerics (Eldritch Disciple), rogues (Slayer), warlocks (The Archangel, The Genie, and the Reaper), and wizards (Eldritch Teurge).
  • 24 new Eldritch Invocations
  • 25 new spells, including new "channeled" spells.
  • 12 new monsters, including lore and statblocks for Aspects of Elder Evil, new Beholderkin, Illithidae, and Tsochari.

This supplement includes material adapted from the 3rd edition rulebooks Complete Arcane, Elder Evils, and Lords of Madness, as well as original materials.

Any recommendations to improve the content will be gladly appreciated!

Credit to the respective artists (as specified on page 2). Additional thanks to Scott Tolksdorf for producing NaturalCrit's The Homebrewery, which was used to format this supplement.


Update v2.0 - Clarification for Wizard

  • Correction of erratum on page 19, "paladin" replaced with "warden": now "You can make a warden quickly by following these suggestions."
  • Updated description of Eldritch Theurge's Eldritch Spellblast to clarify:
    • Maximum level of attached spell.
    • Spell slot lost in cases where eldritch blast cantrip misses.
    • Differentiating between the level at which the attached spell is cast (matched to the spell slot expended) and the overall level of the combined casting; the former referring to the damage and other properties of the spell, the latter referring to interactions with Counterspell and similar magical effects.

Update v2.1 is currently in the works, and will further clarify some issues around the Eldritch Theurge's Eldritch Spellblast, as mentioned in the comments section.

Update v1.2 - Artwork change

  • Artwork on p.20 updated due to concern over claimed "artist" having comitted plagiarism. New art by RobCV.

Update v1.1 - Clarification for Rogue

  • Updated description of Slayer's Baneful Mark to clarify targetting creatures not native to the current plane on which the player is at time of use.

Update v1.0 - Clarifications and class/subclass features

  • "DM's Tips" sidebars added in the Race section to clarify intended usage of Eldritch Scion's alien adaption and the Rogue Illithid's hive mind susceptibility.
  • Placed a damage limit on Eldritch Warden's Harrowing Touch to reduce potential impact at higher levels.
  • Updated Abomination's Eldritch Transformation to limit AC bonus.
  • Updated Eldritch Disciple's Channel Divinity: Gift of the Divine Patron to limit options (bringing it more in line with other "Channel Divinity" features).
  • Updated Warlock "The Genie" patron's Wish-Giver feature to clarify the limits of the ability.
  • dated Eldritch Theurge. Otherworldly Endurance limitted to only provide temporary hit points at trigger. Eldritch Spellweaver brought in line with Eldritch Warden's Soulbound (provides one free use of chosen spell).
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Reviews (2)
Discussions (4)
Customer avatar
Chris M November 14, 2017 6:50 pm UTC
Page 19 has the following text: "You can make a paladin quickly by following these suggestions" for the eldritch warden
Customer avatar
Chris M November 14, 2017 7:43 pm UTC
Also, some questions about Eldritch Spellblast (Page 32)

1) Is there a reason you chose it to be only AoE spells? For example a Spellblast Crown of Madness would technically not work, though it would be incredibly flavorful for what the class (and source material) is referencing.

2) What happens if the eldritch blast doesn't hit the target? Is the spell slot still used? The text says "If the eldritch blast hits its target...", but doesn't mention if it misses.

3) When you say that the two spells are considered a single spell of 1 level higher, does that affect the Spellblast spell's damage? For example: A Spellblast Fireball cast at 3rd level would be considered a 4th level spell. Does this mean that the fireball does 9d6? Or is that only for purposes of things like Counterspell or Rod of Absorption?

4) Speaking of counterspell; does if a counterspell is cast does that counter both spells?

5) Same question, but for Rod of Absorption. If...See more
Customer avatar
Toby L November 14, 2017 10:23 pm UTC
With regards to the text about paladins, that was merely a typing error, and will be corrected with the next update! Thank you for pointing that out!

Don't worry about asking questions - it's very helpful for highlighting where the original text is ambiguous or problematic, and so much appreciated! The Eldritch Theurge was a case of attempting to translate a particular prestige class from previous editions into the 5th edition format, and as such it did require a certain level of shoe-horning to make it fit, in part resulting in the ambiguity of expression you’ve pointed out. I’ll try and offer an answer to each of the particular points you raised in this reply, which you should be able to run off short-term, but I will also set about updating the Expansion itself with a disambiguated version of the feature.

1) Originally, this was simply a direct carry-over from the features of the 3.5e prestige class, or an attempt to capture the gist of that. A part of the intention was to prevent...See more
Customer avatar
Diego M October 14, 2017 11:52 pm UTC
Page 19 contains a copyrighted image from RIOT. That duelist is Fiora from League of Legends. Review it before you guys have issues with it.

I do not work for RIOT Games, just want to let you guys know.

The content is great.
Customer avatar
Toby L October 15, 2017 6:55 pm UTC
Thank you for highlighting this issue. According to the source website, the artwork has been released according to a Creative Commons Attribution-Share Alike 3.0 License as the original work of the poster (, and as such, it ought to have been usable for this purpose (regardless of ownership of the character, as that is an issue between the artists and the owners of the character); any copyright infringement was purely accidental.

To avoid any potential issues, I will immediately seek an alternative image, although any fault lies with the one who posted this artwork as their own on the source website.
Customer avatar
September 30, 2017 5:13 am UTC
For the Harrowing Mark and Baneful Mark rouge ability,"If the target of your hunter's mark spell is not native to this
plane of existance, you have advantage on attack rolls against
that creature." What is "this plane"? The one the rogue is currently on or always the prime material plain. For example would fighing a devil in the Nine Hells(its home) grant advantage?
Customer avatar
Toby L October 03, 2017 4:46 pm UTC
The intention was to refer to the plane you are currently on. The Slayer is trained to battle creatures infringing upon their own world, and the magic of the Baneful Mark works by targetting that creature's link with its home plane. So in the example given, the rogue would still gain the additional damage from Baneful Mark (as the devil is still a fiend); however, the fiend would suffer no disadvantage.

I will attempt to make this more clear in the text itself as soon as possible!
Customer avatar
September 30, 2017 5:04 am UTC
Why does the Eldritch Warden have 6-9th level spells in its spell list? From what I have seen the class does not have the ability to cast spells higher than 5th.
Customer avatar
September 30, 2017 5:06 am UTC
My bad, miss read, did not see the sorcerer appear at the bottom.
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File Last Updated:
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This title was added to our catalog on September 27, 2017.