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In my role as a Dungeon Master, I usually avoided extensive use of luck during my D&D sessions. My preference was for the plot and what happened in a game to be determined by deliberate decisions rather than pure luck. However, I decided to try something different, and I'm very happy with the result.

The Catalyst: Observing an Improvised Tool

A popular podcast utilizes a DM who frequently asks for "luck rolls" from the players. The process entails choosing a specific dice and defining consequences based on the result. This is fundamentally no distinct from using a random table, these are created on the spot when a character's decision doesn't have a obvious resolution.

I chose to experiment with this approach at my own table, mostly because it looked interesting and presented a break from my usual habits. The experience were fantastic, prompting me to think deeply about the ongoing tension between pre-determination and improvisation in a tabletop session.

An Emotional Story Beat

At a session, my group had concluded a city-wide conflict. When the dust settled, a cleric character wondered if two beloved NPCs—a brother and sister—had lived. In place of choosing an outcome, I let the dice decide. I instructed the player to make a twenty-sided die roll. The stakes were: a low roll, both would perish; on a 5-9, only one would die; a high roll, they made it.

The die came up a 4. This led to a deeply emotional scene where the party discovered the corpses of their allies, still united in their final moments. The group held last rites, which was uniquely meaningful due to previous character interactions. In a concluding touch, I decided that the NPCs' bodies were strangely restored, containing a spell-storing object. By chance, the bead's magical effect was precisely what the group needed to solve another critical situation. You simply script these kinds of serendipitous story beats.

Improving DM Agility

This event made me wonder if chance and spontaneity are actually the beating heart of this game. Even if you are a meticulously planning DM, your improvisation muscles can rust. Players reliably find joy in upending the best constructed narratives. Therefore, a good DM needs to be able to adapt swiftly and invent scenarios in real-time.

Employing similar mechanics is a great way to train these abilities without going completely outside your usual style. The key is to use them for low-stakes situations that won't drastically alter the session's primary direction. For instance, I would avoid using it to determine if the main villain is a traitor. However, I could use it to determine if the PCs reach a location moments before a critical event occurs.

Strengthening Collaborative Storytelling

This technique also works to keep players engaged and foster the impression that the game world is responsive, shaping according to their choices in real-time. It combats the perception that they are merely actors in a DM's sole story, thereby bolstering the collaborative nature of storytelling.

This approach has historically been integral to the original design. Early editions were filled with encounter generators, which fit a game focused on dungeon crawling. Even though contemporary D&D frequently emphasizes plot-driven play, leading many DMs to feel they must prep extensively, this isn't always the only path.

Finding the Sweet Spot

It is perfectly no issue with doing your prep. Yet, equally valid no problem with relinquishing control and allowing the rolls to determine certain outcomes in place of you. Control is a major part of a DM's role. We use it to run the game, yet we often struggle to release it, in situations where doing so could be beneficial.

The core advice is this: Have no fear of temporarily losing the reins. Experiment with a little chance for minor outcomes. You might just discover that the organic story beat is infinitely more memorable than anything you would have pre-written in advance.