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When I am a Dungeon Master, I usually shied away from heavy use of luck during my tabletop roleplaying games. I tended was for narrative flow and session development to be guided by deliberate decisions instead of the roll of a die. Recently, I decided to alter my method, and I'm very pleased with the outcome.

The Spark: Observing a Custom Mechanic

A popular podcast utilizes a DM who often requests "luck rolls" from the participants. The process entails choosing a polyhedral and assigning consequences based on the number. It's at its core no different from consulting a random table, these get invented on the spot when a character's decision lacks a clear resolution.

I opted to test this technique at my own table, mainly because it seemed novel and presented a departure from my standard routine. The experience were remarkable, prompting me to think deeply about the often-debated tension between pre-determination and randomization in a tabletop session.

A Memorable Story Beat

In a recent session, my group had survived a city-wide fight. Afterwards, a player inquired after two beloved NPCs—a pair—had lived. In place of deciding myself, I handed it over to chance. I asked the player to roll a d20. The possible results were: on a 1-4, both died; a middling roll, only one would die; a high roll, they survived.

Fate decreed a 4. This triggered a profoundly poignant scene where the adventurers found the corpses of their allies, forever clasped together in their final moments. The group held last rites, which was uniquely meaningful due to prior character interactions. In a concluding gesture, I chose that the forms were suddenly transformed, revealing a spell-storing object. I randomized, the item's magical effect was perfectly what the group required to address another pressing quest obstacle. One just script these kinds of serendipitous moments.

Honing Your Improvisation

This event made me wonder if chance and making it up are truly the beating heart of D&D. While you are a meticulously planning DM, your improvisation muscles need exercise. Players reliably find joy in upending the most carefully laid narratives. Therefore, a good DM must be able to think quickly and create details on the fly.

Using luck rolls is a excellent way to train these skills without straying too much outside your comfort zone. The strategy is to apply them for small-scale decisions that don't fundamentally change the session's primary direction. As an example, I would avoid using it to determine if the central plot figure is a secret enemy. However, I would consider using it to determine whether the characters arrive moments before a key action takes place.

Empowering Player Agency

Spontaneous randomization also serves to keep players engaged and cultivate the impression that the story is alive, progressing based on their choices immediately. It prevents the sense that they are merely pawns in a pre-written narrative, thereby bolstering the shared aspect of storytelling.

Randomization has always been integral to the game's DNA. Original D&D were filled with encounter generators, which fit a playstyle focused on exploration. Although modern D&D tends to emphasizes plot-driven play, leading many DMs to feel they must prep extensively, it's not necessarily the only path.

Achieving the Healthy Equilibrium

Absolutely no issue with doing your prep. Yet, there is also no problem with relinquishing control and permitting the whim of chance to decide some things instead of you. Direction is a major part of a DM's responsibilities. We require it to manage the world, yet we frequently find it hard to cede it, even when doing so could be beneficial.

My final recommendation is this: Don't be afraid of letting go of your plan. Embrace a little chance for inconsequential story elements. You might just create that the surprising result is far more rewarding than anything you might have pre-written by yourself.