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In my role as a DM, I usually shied away from heavy use of randomization during my tabletop roleplaying adventures. I tended was for the plot and session development to be guided by deliberate decisions rather than pure luck. That said, I chose to try something different, and I'm incredibly glad I did.

The Spark: Observing a Custom Mechanic

A well-known actual-play show utilizes a DM who regularly asks for "fate rolls" from the adventurers. This involves selecting a polyhedral and defining possible results based on the result. This is at its core no distinct from rolling on a pre-generated chart, these are created spontaneously when a course of events doesn't have a predetermined resolution.

I chose to experiment with this approach at my own game, mostly because it looked novel and offered a change from my normal practice. The outcome were fantastic, prompting me to think deeply about the perennial dynamic between preparation and randomization in a roleplaying game.

An Emotional In-Game Example

At a session, my players had just emerged from a large-scale conflict. When the dust settled, a cleric character asked about two beloved NPCs—a brother and sister—had lived. Rather than choosing an outcome, I handed it over to chance. I instructed the player to make a twenty-sided die roll. The stakes were: a low roll, both were killed; on a 5-9, only one would die; on a 10+, they both lived.

The die came up a 4. This led to a profoundly poignant scene where the characters came upon the corpses of their companions, forever united in death. The party performed last rites, which was particularly significant due to earlier character interactions. In a concluding gesture, I decided that the remains were strangely transformed, containing a spell-storing object. I rolled for, the bead's magical effect was exactly what the party needed to solve another pressing situation. It's impossible to orchestrate this type of perfect story beats.

Improving On-the-Spot Skills

This incident made me wonder if randomization and thinking on your feet are truly the beating heart of this game. While you are a detail-oriented DM, your skill to pivot may atrophy. Players reliably excel at derailing the most carefully laid plans. Therefore, a skilled DM has to be able to adapt swiftly and invent details in the moment.

Employing similar mechanics is a excellent way to train these abilities without venturing too far outside your comfort zone. The trick is to apply them for low-stakes situations that don't fundamentally change the overarching story. For instance, I would avoid using it to determine if the central plot figure is a traitor. However, I could use it to decide whether the characters arrive just in time to see a major incident unfolds.

Strengthening Player Agency

Luck rolls also helps make players feel invested and cultivate the feeling that the story is alive, progressing according to their actions in real-time. It prevents the sense that they are merely pawns in a rigidly planned story, thereby bolstering the shared nature of storytelling.

Randomization has long been embedded in the core of D&D. Early editions were reliant on charts, which fit a playstyle focused on dungeon crawling. Even though modern D&D often focuses on plot-driven play, leading many DMs to feel they require detailed plans, this isn't always the best approach.

Striking the Healthy Equilibrium

Absolutely nothing wrong with thorough preparation. But, there is also nothing wrong with letting go and allowing the rolls to determine certain outcomes rather than you. Control is a major aspect of a DM's role. We use it to facilitate play, yet we often struggle to give some up, in situations where doing so might improve the game.

The core recommendation is this: Don't be afraid of relinquishing a bit of control. Try a little improvisation for smaller outcomes. The result could create that the unexpected outcome is infinitely more memorable than anything you could have planned on your own.