Dungeon Master Assistance

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D&D 5E – Adventure Module AT-04 The Cogs of Lost Time


AT-04 The Cogs of Lost Time

This is the fourth adventure in a series of adventures that I will be posting here, that will make up the “Its About Time” campaign arc. These adventures will take a group of adventurers from level 1 to level 20.

Download this adventure for free:
AT-04 The Cogs of Lost Time
You may also want these image files:
AT-04 Digital Accessories Pack
If you didn’t get them previously, you will also want these:

AT-03 Secrets of the Shattered Temple
AT-02 Quest for the Mithral Sphere
AT-01 An Ancient Evil
AT-00 Time Travel Rules

This is the fourth adventure in the series. It is a D&D 5E adventure for Dungeon Master’s (DMs) to take a group of 4th level Player Characters (PCs) to Chronopolis, a lost city on the lawful plane of Mechanus. Here, they encounter temporal anomalies, puzzles guarded by Corrupted Modrons, and the long-dead ancestor of their friend Lander, all while searching for a fabled artifact: the Chronometer of Harmony.
Even if you have no intention of running this adventure, it provides tools you may find useful in your campaign.

  1. There are tips on using “Theater of the Mind”.
  2. The digital accessories pack includes images for Items, Locations, Monsters and Tokens.
  3. There are 12 new monsters, complete with stat blocks, images and tokens for use on virtual table tops (VTT).
  4. For each encountered monster, it lists the page number where that monster can be found in the Monster Manuel or, for new monsters, in the adventure. It then has an abbreviated version of the monster’s stat block on the page with the encounter.

Check it out and let me know what you think about it in the comments section below.

The next adventure will be “AT-05 The Whispering Wood,” where the heroes, guided by Lander the flump and Puck the sprite, embark on a journey to retrieve a fragment of the Clock of Aeons hidden within the Whispering Wood, a remote enchanted forest in Manoria. Their path leads from a small fishing village of Saltport Cove to the bustling city of Eldoria, where they can seek magical supplies before venturing into the perilous woods. Within the Whispering Wood, they face guardians, solve time-based puzzles, and uncover forgotten lore about the Sundering and Thanatos’ dark influence. A climactic battle awaits them as they confront a creature twisted by Thanatos’ power, forcing them to utilize all their skills and resources to secure the Clock fragment and ensure the flow of time remains stable.

2 responses to “D&D 5E – Adventure Module AT-04 The Cogs of Lost Time

  1. Unknown's avatarAnonymous August 9, 2024 at 8:33 pm

    These adventures seem like a missed opportunity to me. I’m sure they’re helping your blog, but they could also be successful Kickstarters. Even pricing them at $1 could generate several thousand dollars. And with 20 adventures in the end, it could be well worth it.

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    • Ronny's avatarRonny August 10, 2024 at 8:38 am

      Thank you for your suggestion. I really appreciate your support. Here is my thinking regarding that.
      First, my intention in creating these was to provide DMs (or future DMs) with an example of what I believe to be the best way to present adventures for others to use and perhaps I could also include examples of various ideas and tips along the way. Second, I was hoping these adventures would give DMs some fun adventures, or even an entire adventure arc they could use to take their players from level 1 through level 20. Third, after creating a set of time travel rules I felt the thing that was missing was how they could be incorporated into a campaign. For instance, in a fantasy campaign, why would a PC care if something changed the past? Even if the DM does a good job of explaining that someone changed the past and that resulted in something bad that is happening now, now is all the players ever knew in the first place. So the easiest way to get them involved might be to show them something that will happen bad in the future and give them a way to stop that.
      Sorry to go off on a tangent like that.
      I may offer this for sale, or more likely a revision of this to work with the upcoming 5.5 rules, in the future. I am a little leery of Kickstarter, but you may be right, That may be the best way to do that.
      For now, I will continue to post these here for free.
      I have never charged for anything I have posted here and never will.
      Another issue is the new version of D&D (which I will be calling D&D 5.5). The PHB is officially released next month. This campaign arc is being written for D&D 5E. I know that 5.5 is supposed to be compatible with 5E but from what I have seen so far, these adventures really need to be re-written for the new version. I don’t want to change versions in the middle of the campaign so, even though the bulk of the adventures will be posted after 5.5 is out, I will continue creating the new adventures using the current (5E) rules and monsters.

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