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Ambush at Boxcar rocks
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Ambush at Boxcar rocks


"Ambush at Boxcar Rocks" is a two hour adventure for character level 1-3 (3-6 players) but is easily adapted to challenge higher level PCs by adjusting the spawn rate and the spawn limit. It features one hand-drawn, color map. It can be run as a brutal oneshot gauntlet or a quick side quest to pad the players purses.

Deep within the labyrinth of massive, glacier deposited rocks there is a natural cave once used for interring the dead. Now the bones of the pit within stir because of a foolish neophyte. A listless, blood thirsty horde tramples toward daylight and nothing will remain in their wake... 

Facebook: Jeromy Schulz-Arnold, Twitter: @JeromySchulz, Instagram: @jeromyschulzarnold

Please feel free to comment below.

Other adventures include:

A Second in Time

The Coming Plague

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Discussions (2)
Customer avatar
5E Solo G August 12, 2017 1:57 am UTC
Great little module! 2 hours yes, it played out to about that. I had my PCs start in town (they were looking for armour) and visited an armourers. As they were bartering a local gang starting beating down a merchant outside. The armourer said "Deal with those thugs and the armour's yours!"
So they did, and got the armour. A mage was watching, and approached them, saying you must help my disciple, he's wandered off with my spellbook and he's going to try something out at Boxcar Rocks, a very potent site... it augments magic.
PCs went out there with the mage, but he deserted them! They were left facing the skeletons.
Suggestion: The PCs can kinda just run away from the skeleton horde. I suggest putting one L3 undead at the spawn point, he's kind of assisting with the spawning. I used a 3.5-5e converted boneclaw. Level 2 characters, they found the horde relatively easy to avoid. Throw a higher level undead in the mix.
The module plus my added material worked out to about 4 hours....See more
Customer avatar
Jeromy S August 12, 2017 7:11 pm UTC
Thank you for the comment. Your game sounds awesome by the way; I like how you let them "earn" stuff they don't quite have the cash for. I appreciate a DMs who add those chances for the players to be heroes even when just trying to buy armour.

As for the encounter, a lot of people mod it. When you add bigger baddies it gives the seasoned players a chance to teach novice players about threat assessment and focused fire. The real threat is obviously the boneclaw (to any experienced player) with that devastating reach attack. The skeletons may have 1hp but they can do a good job keeping the melee players away from the boneclaw as it wears them down. Nice touch, keeping it interesting.

One guy posted in his campaign blog that he used this and added an environmental threat as well. The rocks where unstable and would shift and fall every few rounds, pelting the players with some bludgeoning damage and slowly sealing off the exit. He wanted them to have to crawl into the pit and dig...See more
Customer avatar
5E Solo G August 16, 2017 10:35 pm UTC
Sounds great, that environmental threat. Yeah we really enjoyed Boxcar Rocks.
Shameless plug: I've got a couple of modules coming out soon, keep an eye out for them! 1 is a 5e solo choose your own adventure called "The Death Knight's Squire", the other is a collection of 5 oneshots based around Storm King's Thunder. (Darkblade's Dimensional Dungeons is the heading). Take care, and will be checking out more of your modules too!
Customer avatar
Jeromy S August 16, 2017 11:56 pm UTC
When I was a kid I read every single choose your own adventure book I could find! I love them even now! Chaosium still does solo adventures but it is rare (I think, at least I don't see many...) to find DnD fantasy ones anymore. I still have my collection of Lonewolf novels; I can't overstate my excitement for "The Death Night's Squire."
Matt Colville, in addition to being a successful Youtuber, has just unveiled a new site at (Sorry, can't get the hyperlink working) It may not help you with "Darkblade's Dungeon Art Essentials" but the upcoming projects you mentioned would be something you could easily promote on that site. Colville has made it clear in a Youtube video that his site will remove any links to pirated or illegal download sites so as to protect intellectual properties. It's free and easy to join and free to add content. I mention this as a professional courtesy, yes, but also because one of the search parameters is "can it be played solo?"...See more
Customer avatar
5E Solo G August 17, 2017 12:18 am UTC
Wow awesome, thanks Jeromy!
Yes I'm a big fan of CYOA too and love Lone Wolf, Fire*Wolf, Fighting Fantasy, the works. As you say there's hardly any 5e CYOA, hence my eagerness to get Death Knight's Squire out! I will check all those leads you provided, especially those Youtube videos... sounds like a valuable resource :) The Dungeon Art Pack we made was just a by product of all the maps I've been making in photoshop, the real products are coming soon!
Thanks Jeromy, you keep being awesome too :) All the best
Customer avatar
David F July 21, 2017 2:12 am UTC
For which game system is the adventure designed??? D&D, AD&D, AD&D 2d ed, 3rd ed D&D, 3.5? 5? GURPS, Heroes? Champions, Elfquest, etc?

Are alternative system rules included?
Customer avatar
Jeromy S July 22, 2017 4:36 pm UTC
It is written for Dungeons and Dragons 5th edition. I have not unfortunately included any other rules systems but it is highly convertible because the of the spawn rate and spawn limit mechanics. Thank you for commenting and happy gaming David!
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File Last Updated:
December 24, 2016
This title was added to our catalog on January 13, 2017.