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In my role as a DM, I usually avoided significant use of chance during my Dungeons & Dragons adventures. I tended was for the plot and session development to be shaped by player choice rather than pure luck. However, I chose to alter my method, and I'm very pleased with the outcome.

The Spark: Watching an Improvised Tool

A well-known actual-play show utilizes a DM who frequently asks for "chance rolls" from the participants. He does this by choosing a type of die and defining consequences based on the number. While it's fundamentally no different from consulting a random table, these get invented spontaneously when a player's action has no obvious outcome.

I chose to experiment with this technique at my own table, primarily because it appeared interesting and provided a break from my standard routine. The experience were remarkable, prompting me to reflect on the ongoing tension between planning and spontaneity in a tabletop session.

A Powerful Session Moment

During one session, my group had survived a massive battle. When the dust settled, a cleric character asked about two friendly NPCs—a pair—had survived. In place of choosing an outcome, I asked for a roll. I asked the player to make a twenty-sided die roll. I defined the outcomes as: a low roll, both would perish; on a 5-9, a single one would die; on a 10+, they both lived.

The player rolled a 4. This resulted in a profoundly poignant moment where the adventurers discovered the remains of their companions, forever holding hands in their final moments. The party performed a ceremony, which was particularly meaningful due to previous story developments. As a final gesture, I decided that the remains were miraculously restored, containing a spell-storing object. I randomized, the item's contained spell was precisely what the group required to resolve another critical quest obstacle. You simply script this type of perfect coincidences.

Honing DM Agility

This incident led me to ponder if chance and spontaneity are truly the core of tabletop RPGs. Although you are a detail-oriented DM, your skill to pivot may atrophy. Adventurers frequently find joy in upending the best constructed plots. Therefore, a good DM needs to be able to adapt swiftly and invent details in the moment.

Utilizing luck rolls is a fantastic way to train these abilities without straying too much outside your preparation. The strategy is to deploy them for low-stakes situations that have a limited impact on the session's primary direction. To illustrate, I wouldn't use it to decide if the main villain is a traitor. But, I could use it to figure out if the PCs enter a room right after a critical event unfolds.

Empowering Shared Narrative

Luck rolls also serves to keep players engaged and cultivate the feeling that the story is alive, shaping according to their actions immediately. It reduces the sense that they are merely pawns in a rigidly planned narrative, thereby enhancing the cooperative aspect of the game.

Randomization has always been part of the core of D&D. The game's roots were filled with encounter generators, which fit a game focused on exploration. Even though modern D&D often focuses on narrative and role-play, leading many DMs to feel they must prep extensively, this isn't always the best approach.

Achieving the Sweet Spot

There is absolutely nothing wrong with being prepared. However, there is also no issue with stepping back and allowing the whim of chance to determine certain outcomes instead of you. Direction is a significant aspect of a DM's responsibilities. We require it to manage the world, yet we frequently find it hard to give some up, even when doing so might improve the game.

A piece of recommendation is this: Do not fear of letting go of control. Embrace a little randomness for minor details. It may discover that the organic story beat is significantly more rewarding than anything you might have pre-written on your own.