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I. Foreward
"Well, well, well! Such nice visitors." A raspy yet smooth voice speaks down into the watery pool where the bodies lay.
The paladin blinks, and attempts to shift their leg as a thunderstorm of pain surges down their back. Their gaze strains downward towards a rubble-battered lower half, for what plate mail could do in a terrible fall had done its part.
The sage lay exhausted. What little they could muster to wield magic to cushion the fall had expended such energy as to make the old scholar inert.
The thief was saved the most of the damage, though visibly bloodied through sharper edges. Acutely aware of the stranger approaching, they were best to play incapacitated.
In steps forth a short and pale figure beholding a light in their palm. Whitened fish scales glimmered in the light. Blackened eyes gaze into the underground lake-side shallows. "I'll gather the others shortly"
Greetings friends,
Do you know what geographic feature I find fascinating? Underground lakes!

PHOTO: Dariusz Jemielniak(CC BY-SA 3.0)/WikimediaCommons
Here is a quick photo of Reed Flute Cave, located northwest of Guilin City, illuminated with colorful lighting! Filled with crystal clear ponds, and fascinating stalagtite/mites. … This cave was one of the places our college choir visited during our China trip over a decade ago, and I remember us standing and singing “For the Whole Universe” with my classmates within the reverberating corridors of the cave. Amazing memory!
This cave is fascinating not simply due to its interior, but legends surrounding it. Its many formations resemble known structures and landmarks. One giant stalactite is fabled to have been the magic spear of the Dragon King, used by the Monkey King Sun Wukong in the Chinese Buddhist classic: Journey to the West.
My prompt to you: … What is a cave in your world or setting that carries legendary allure around it? What are its tales? What mystic beliefs surround its creation, events, or surroundings?
This is the first that I’ve used the forward as a “world-building prompt”, and I could always use more feedback! … If you have thoughts or suggestions on what you’d like to see on the Dungeon Delve newsletter, »»»»please feel free to reach out here!«««
I’m striving in late-2025 to model the newsletter on what interests the readership the most! … Your feedback is super needed and appreciated. … Thank you for your love and patronage!
Onward to the round-up!!
II. Markings on the Wall
RPG News and Finds
The battle over free-expression on Itch.io continues. RockPaperShotgun tracks dev reports that delisting adult content has also affected safe-for-work games with yuri and lesbian themes.
If you wish to join the popular effort to push back against this pressure from Visa/MC, this Reddit thread has info on how you can assist!
Also, consider this Change.org petition as well!
GenCon 2025 hit a record number of attendees and exhibitors, recovering from Covid times, but with sales numbers hampered by the tariffs.
Renegade Game Studios has announced an upcoming release for the Welcome to Nightvale RPG, which you can read about and/or pre-order here!
Free League Publishing voted the fan favorite publisher at the ENnies for the 5th time in six years (plus multiple awards for The One Ring RPG!)
[Call to action!] For the blog writers, GMs, devs, and social media peeps out there, Prismatic Wasteland wants you to build your Appendix N for Sept 8th, a list of media that has impacted your design choices!
Gameable and Design Advice
Swan and Raven Studios shares a fantastic recount of their experience using a TTRPG zine specifically to raise funds for aid organizations!
Doing some encounter-table building? has some guidance on how to upgrade your table with more balanced and diverse possibilities!
Looking to run TTRPGs online, but not a fan of typical VTTs? has a fantastic guide on how to host your games using some other idea-boarding tools!
Of course, its not just the tools that make online RPG playing effective! Its also a change in approach. provides some keen advice on how to better participate and run online play!
NEW Crowdfunding Projects
Vaults of Vaarn 2E - Surreal and colorful! Enter a science-fantasy setting straight from the likes of Dune, Hyperion, The Book of the New Sun, and more! A realm of trans-humanist quandaries, magical matters, and strange faith!

Mecha Vs Kaiju 202X - Johnathan Wright is back with a fresh new edition of the Fate-based MxK game. Customize your mecha and kick big-lizard butt with this narrative-focused standalone RPG (also 5E compatible).

IV. Looting the Room
FREE Resources
I discovered Dysons Map Archive, which includes hundred of free maps with intentional design choices that you can add to your fantasy RPG world!
Watabou has a neighborhood generator amongst the list of other map-making tools they provide!
RPG Bundles and Deals
Until end of August, Phoenix Dice SUMMER SALE with up to 30% off of a bunch of dice sets! … Add another 10% off with the code DELVE25!
The Queer Games Bundle for 2025 features 616 games and supplements in support of queer-and-trans RPG creators on Itch.io! $60
Humble Bundle hosts ENnie Award Nominees; a collection of 27 awesome TTRPGs; a must have for your digital bookcase! Raising for ExtraLife.
$506$30Toss a coin to your Childrens Miracle Network Hospital! … and your Witcher! … Another Humble Bundle is live, this one for the Witcher TTRPG!
$170$15On DriveThruRPG, Pathfinder/Starfinder bundle Librarians and Leviathans seeks to support Palestinian relief efforts.**
$91.60$10The Expanse and Modern Age core rulebooks and supplements, themed after the popular novel/TV series of the same name, is available on Bundle of Holding!
$85$17.95Ongoing bundles and deals!! HawtPixel Font Firesale | Tome of Worldbuilding | No-Prep Game Master | West Marches Campaign Playstyle Book | How to Solo Any Game | Ancestry and Culture 5E
** = No affiliate link. Free Palestine!
V. Treasure Chest (Advertising!)
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