Deadly Delves: Reign Of Ruin (5E) PDF

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Beware The Blackener Of Bright Waters, For She Is Come Again

Rumors of death move like a plague through the Crannogtowns of the Great Swamp—of ranger patrols mysteriously disappearing on routine scouting missions, of a winged shadow that blots out the midday sun, and of entire villages slaughtered, their homes left burning and the victims’ flesh melted from their bones. All evidence gathered from the sites of these massacres points to the heart of the Great Swamp, where an ancient and primitive tribe of lizardmen have ruled from an abandoned human temple for centuries on end. The Crannogtowns’ protectors, the Stormhammer Rangers, warn that horrid half-dragon monstrosities still stalk the bogs and travelers would do well to stay away from the inner swamp. Yet the killing and the carnage continue, and the people of the Crannogs plead for heroes to aid them now as they did in days long forgotten. Are you up to the challenge?

Reign Of Ruin is the exciting new adventure module in Jon Brazer Enterprises’ Deadly Delves product line, and is designed for the Fifth Edition of the World’s Oldest Fantasy Roleplaying Game. This adventure is designed to heartily challenge a party of 7th- or 8th-level PCs and leave them with a memorable heroic tale. Inside this volume, you’ll find:

  • 18 New or Modified Monsters and NPCs for your campaign, including lizardfolk warpriests, swarms of undead, and a black dragon fighter
  • 9 New Traps to menace the PCs, including retractable stair spikes, acid bath chambers, and statues that spray corrosive fluid
  • 3 New Magic Items waiting to be discovered, including the glorious rainbow sceptre.
  • Full-color maps of a Crannogtown village, as well as five floors of a terrifying temple dungeon
  • Specialized advice on playing a cunning black dragon against a group of PCs in a dangerous game of cat and mouse
  • Enough content for five 7th- or 8th-level PCs to gain nearly two levels, with ideas to extend the story even further once you’re done exploring the temple

Dangers Unknown. Treasures Untold. Adventure Awaits.

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An review


This module from Jon Brazer Enterprise’s „Deadly Delve“-series for experienced groups clocks in at 46 pages, 1 page front cover, 1 page editorial, 1 page SRD, 1 page advertisement, 1 page back cover, leaving us with 41 pages of content. It should be noted that the pdf comes with an extra-pdf that contains properly-sized, big versions of the maps – these are key-less and generally player-friendly – with one exception: There is a “S” denoting a secret door left on one of them.

This review was moved up in my reviewing-queue as a prioritized review at the request of my patreons.

This being an adventure-review, the following contains SPOILERS. Potential players should jump to the conclusion.



All right, so this adventure begins with a ranger collapsing, talking about the village of Northam being razed to the ground – one of multiple settlements adjacent to swampy terrain. Trying to warn other settlements and find out more, the PCs will soon, in Mistlevy, happen upon their first massive fight – with the lizardmen of the Ixtupi tribe – a somewhat quasi-Aztec vibe accompanies them and their culture as a leitmotif, but more on that later. To their shock, the PCs will encounter a deadly black dragon crash into the clash between the elite Stormhammer guards and the Ixtupi – thankfully, this dragon, quite possibly the commander of the lizardfolk, does retreat – and she has an agenda.

You see, once, this whole area was rules by a black dragon named Nyrionaxys – the draconic being enslaved all it could find and killed the warmbloods. When the dragon was slain, the victors failed to notice one of the dragon’s eggs – this hatchling, fostered by the Ixtupi, grew into Nyrionaxys II, brainwashed to believe herself the reincarnation of the ancient draconic overlord by being raised by the Ixtupi. To complicate matters further, some more benevolent lizardfolk, tired of being salves to draconic whims, have since then split off, becoming the Tsiikil tribe, who was trying to keep the Ixtupi at bay – but with dark whispers in the dragon’s mind, her time seems to be drawing near: She heeds the call of Tlaloc, who has promised her power – all it takes is a blood sacrifice in her home, one of powerful individuals. And suddenly the blatant provocation of the dragon makes sense – the PCs are walking right where the dragons want them to go…

Still, this leaves the PCs without much recourse – they need to stop the black dragon, asap! Thus, they venture deeper into the marshlands towards the temple of the Ixtupi. Tsiikil lizardfolk can provide support and directions, should the PCs help them. The temple of the Ixtupi is a foul stone pyramid surrounded by a great moat – to even get to it, the PCs will need to deal with potent, dragonblooded lizardfolk; the presence of stormwyts, an alkaline-spit-using wyvern-variant adds a further danger – and woe if the PCs start using elemental magics: The taint of the place causes such magic to spawn tainted elemental spirits– stats for all 4 variants are included, just fyi. Big plus in the 5e-version, btw. – the lizardfolk get, at least partially, unique actions that represent their culture: We get e.g. the Tlaloc’s Blessing reaction and similar design decisions to represent the influx of draconic blood and the peculiarities of the tribe.

Breaching the temple is already a feat in and of itself – but exploring the dungeon will not be simple, either: Here, Ixtupi warpriests, mud-caked lizardfolk zombies, mummies and spirits, kobold trappers and even a dire venus flytrap, stand between the PCs and progress – but to reach further below, the PCs have to pass the mosaic pillar chamber – where multiple unique beasts spring forth from the pillar…and that’s before the traps, which make this transitional area a really nice gauntlet.

The bulk of Ixtupi resistance can be encountered in the lower temple – here, the most potent of the tribe await – alongside glass golems, demons, evil idols boosting the foes of the PCs…and even a half-dragon gynosphinx – and yes, she comes with sample riddles. Ultimately, past all the traps, the PCs will have to delve deep into the place where caustic water and grueling sights await and face Nyrionaxys II…if they don’t fall prey to the hatchling ghosts of her brood mates or the half-draconic anaconda. Or the stormwyts…and yes, all of this doesn’t sound so bad, right? Well, here is a big difference to almost all adventures featuring dragons: Nyrionaxys II doesn’t wait to be slain. A full page is devoted to tactics of the mighty dragon – who btw. comes with legendary actions as well as access to lair actions.

Speaking of which: Beyond the numerous variant monsters mentioned, I enjoyed the variety of the builds: The 5e-version goes above and beyond to make the respective lizardfolk feel unique and concise; the versions of the new creatures, similarly, are interesting. As a minor complaint, though, it should be noted that here and there, very minor hiccups can be found – an attack value that’s off by one (challenge 8, thus +3 proficiency bonus, with Str 16 = +6 to attack, not +5), but these glitches are rare and the exception – the stats, as a whole, as surprisingly well-made. Among all versions of the module, they are my favorites.


Editing and formatting are very good. I noticed no serious accumulations of either formal or rules-language glitches in the module apart from a couple of minor hiccups. Layout adheres to a really nice two-color full-color standard and the pdf comes fully bookmarked with nested bookmarks for your convenience. The maps featured for all major sites are solid and full-color; apart from the minor tarnish of the remnant secret door-relic mentioned before, the inclusion of player-friendly maps is another big plus. Artwork deserves special mention: The module sports a couple of really nice full-color artworks.

Richard Moore’s “Reign of Ruin” was an honest surprise to me: You see, there are two basic dragon-module set-ups (not counting random encounter dragons): The long, epic one, wherein you defeat a dragon at the end, after much hardship, and with the exact goal of defeating the draconic threat; and the briefer one, where a dragon at the end is basically the boss. The first tends to be represented by mega-adventures, campaigns, etc.; the second by smaller modules. Both have one thing in common: Most of the time, the dragons in them are DUMB, character-less engines of destruction, when ostensibly, they are supposed to be really smart. This module, thankfully, gets that aspect right: The dragon herein is an interesting character, embedded in a dungeon and social environment with an interesting leitmotif; she makes sense. Her proactive strategies can allow the Gm to unleash hell upon the PCs and vanquishing her doesn’t break ongoing campaigns – the rewards are significant, but won’t break the game.

In short: While this does not reinvent the wheel, it’s one of the few anti-dragon modules that did not cause my brain to hurt at one point – and that’s a big, big plus. 5e’s as a whole well-crafted mechanics help as well; to the point where I honestly believe that the mechanics of this version may be the best of the bunch in terms of creativity and how they enforce a succinct cultural identity. Were it not for the minor hiccups in the stats, I’d award this version my seal of approval as well. While thus not absolutely perfect, this still remains my favorite version of the module, directly followed by the PFRPG-iteration, which is why my final verdict will clock in at 5 stars – recommended as a fun, challenging module.

Endzeitgeist out.

Jon Brazer Enterprises

Looking for a 7th- or 8th-level adventure for your Fifth Edition game? Download the Reign of Ruin today.

Jon Brazer Enterprises

This excellent adventure is also available for the Pathfinder Roleplaying Game. Download today.

Jon Brazer Enterprises

Want a new classic adventure for your Fifth Edition game? Download Reign of Ruin today.

Reviewed first on, then submitted to Nerdtrek and GMS magazine and posted here, on OBS, etc.

Jon Brazer Enterprises

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Thank you for taking the time to review this.

Jon Brazer Enterprises

Because of your feedback, we reduced the price of this adventure to $6.95.

Jon Brazer Enterprises

This classic adventure is is available for Fifth Edition. Download it today!

Jon Brazer Enterprises

So you like this adventure? Do you want to see this in print?

Jon Brazer Enterprises

Looking for a solid adventure, whether it is in Pathfinder or 5e? We've got the 5e version right here. Download now.

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