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As a game master, I usually shied away from heavy use of randomization during my Dungeons & Dragons games. My preference was for narrative flow and session development to be determined by deliberate decisions rather than pure luck. However, I chose to alter my method, and I'm very glad I did.

The Catalyst: Observing a Custom Mechanic

A popular podcast features a DM who regularly requests "chance rolls" from the players. This involves picking a specific dice and assigning consequences contingent on the number. This is fundamentally no distinct from rolling on a pre-generated chart, these are created in the moment when a character's decision has no clear resolution.

I decided to try this approach at my own game, mainly because it appeared interesting and offered a break from my usual habits. The results were remarkable, prompting me to reflect on the ongoing balance between pre-determination and randomization in a roleplaying game.

A Memorable Story Beat

During one session, my players had concluded a city-wide battle. Afterwards, a player wondered if two beloved NPCs—a sibling duo—had lived. Instead of picking a fate, I let the dice decide. I instructed the player to make a twenty-sided die roll. I defined the outcomes as: on a 1-4, both would perish; a middling roll, a single one succumbed; a high roll, they made it.

The die came up a 4. This led to a incredibly poignant scene where the party came upon the corpses of their allies, forever clasped together in their final moments. The group conducted a ceremony, which was particularly significant due to prior roleplaying. In a concluding touch, I decided that the remains were suddenly transformed, containing a spell-storing object. I rolled for, the bead's magical effect was perfectly what the group needed to address another critical situation. You simply script this type of magical story beats.

Improving DM Agility

This event caused me to question if randomization and making it up are truly the essence of D&D. Even if you are a detail-oriented DM, your improvisation muscles may atrophy. Players often find joy in derailing the most carefully laid plans. Therefore, a good DM needs to be able to pivot effectively and invent content on the fly.

Using luck rolls is a excellent way to develop these abilities without venturing too far outside your preparation. The trick is to use them for small-scale decisions that won't drastically alter the campaign's main plot. To illustrate, I would not employ it to determine if the main villain is a secret enemy. However, I could use it to decide whether the PCs reach a location moments before a major incident occurs.

Enhancing Player Agency

Spontaneous randomization also works to make players feel invested and cultivate the feeling that the story is alive, evolving in reaction to their decisions as they play. It prevents the perception that they are merely pawns in a DM's sole narrative, thereby strengthening the cooperative foundation of the game.

Randomization has historically been embedded in the game's DNA. Original D&D were reliant on charts, which made sense for a playstyle focused on dungeon crawling. Although current D&D tends to focuses on narrative and role-play, leading many DMs to feel they must prep extensively, it's not necessarily the best approach.

Finding the Healthy Equilibrium

It is perfectly no problem with thorough preparation. Yet, there is also no issue with relinquishing control and permitting the whim of chance to guide minor details rather than you. Direction is a big part of a DM's role. We require it to manage the world, yet we frequently find it hard to cede it, in situations where doing so can lead to great moments.

A piece of recommendation is this: Have no fear of letting go of the reins. Experiment with a little randomness for smaller outcomes. You might just create that the organic story beat is far more rewarding than anything you might have scripted in advance.