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In my role as a DM, I usually avoided extensive use of randomization during my tabletop roleplaying sessions. I preferred was for the plot and what happened in a game to be guided by character actions instead of pure luck. However, I decided to alter my method, and I'm very happy with the result.

The Spark: Watching an Improvised Tool

An influential podcast utilizes a DM who frequently asks for "luck rolls" from the participants. This involves selecting a specific dice and outlining possible results tied to the number. It's at its core no unlike using a random table, these are created on the spot when a player's action lacks a obvious conclusion.

I chose to experiment with this method at my own session, primarily because it seemed engaging and provided a break from my normal practice. The outcome were fantastic, prompting me to reconsider the perennial dynamic between preparation and improvisation in a roleplaying game.

A Powerful Session Moment

At a session, my players had concluded a massive battle. Later, a player wondered if two beloved NPCs—a brother and sister—had lived. Instead of choosing an outcome, I let the dice decide. I asked the player to roll a d20. I defined the outcomes as: a low roll, both would perish; a middling roll, only one would die; a high roll, they made it.

The player rolled a 4. This led to a deeply moving moment where the characters found the corpses of their friends, still clasped together in their final moments. The party performed last rites, which was particularly meaningful due to prior roleplaying. In a concluding gesture, I improvised that the remains were suddenly transformed, revealing a spell-storing object. I randomized, the item's contained spell was exactly what the party needed to solve another major situation. You simply orchestrate this type of magical story beats.

Honing Your Improvisation

This event caused me to question if improvisation and thinking on your feet are actually the essence of D&D. Even if you are a meticulously planning DM, your ability to adapt may atrophy. Groups frequently find joy in derailing the most detailed narratives. Therefore, a skilled DM needs to be able to adapt swiftly and fabricate details on the fly.

Utilizing on-the-spot randomization is a great way to train these talents without venturing too far outside your usual style. The trick is to apply them for low-stakes situations that have a limited impact on the campaign's main plot. To illustrate, I wouldn't use it to determine if the central plot figure is a secret enemy. Instead, I would consider using it to figure out whether the PCs reach a location just in time to see a major incident unfolds.

Empowering Collaborative Storytelling

Luck rolls also works to make players feel invested and foster the impression that the game world is alive, evolving in reaction to their choices in real-time. It prevents the feeling that they are merely pawns in a rigidly planned story, thereby enhancing the cooperative aspect of the game.

This philosophy has historically been embedded in the original design. Early editions were enamored with encounter generators, which suited a game focused on exploration. While current D&D often prioritizes story and character, leading many DMs to feel they must prep extensively, this isn't always the best approach.

Striking the Right Balance

Absolutely no problem with doing your prep. However, there is also no issue with relinquishing control and allowing the whim of chance to decide some things in place of you. Control is a big part of a DM's role. We need it to facilitate play, yet we frequently find it hard to cede it, even when doing so could be beneficial.

The core recommendation is this: Don't be afraid of letting go of control. Experiment with a little improvisation for smaller details. It may find that the unexpected outcome is far more powerful than anything you could have pre-written in advance.