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When I am a game master, I historically avoided significant use of chance during my D&D games. I preferred was for story direction and what happened in a game to be guided by deliberate decisions instead of pure luck. Recently, I decided to change my approach, and I'm very glad I did.

The Spark: Observing a Custom Mechanic

A well-known streamed game utilizes a DM who often calls for "chance rolls" from the players. This involves picking a polyhedral and outlining consequences contingent on the roll. This is essentially no different from rolling on a pre-generated chart, these are created on the spot when a course of events doesn't have a obvious outcome.

I opted to test this method at my own table, mainly because it seemed engaging and provided a departure from my normal practice. The results were remarkable, prompting me to reflect on the ongoing balance between pre-determination and improvisation in a tabletop session.

A Powerful In-Game Example

At a session, my players had concluded a large-scale conflict. Later, a cleric character inquired after two beloved NPCs—a brother and sister—had lived. Instead of picking a fate, I let the dice decide. I told the player to make a twenty-sided die roll. The possible results were: a low roll, both died; a middling roll, a single one would die; a high roll, they made it.

Fate decreed a 4. This led to a deeply emotional moment where the party discovered the bodies of their friends, forever holding hands in their final moments. The cleric performed last rites, which was especially significant due to earlier roleplaying. As a final gesture, I chose that the NPCs' bodies were miraculously transformed, revealing a enchanted item. By chance, the bead's magical effect was precisely what the party required to address another critical quest obstacle. You simply script such serendipitous story beats.

Improving DM Agility

This event made me wonder if chance and making it up are actually the core of tabletop RPGs. Even if you are a prep-heavy DM, your improvisation muscles need exercise. Players often take delight in derailing the best constructed plans. Therefore, a effective DM has to be able to think quickly and invent content in real-time.

Employing on-the-spot randomization is a excellent way to practice these abilities without going completely outside your usual style. The key is to deploy them for small-scale circumstances that don't fundamentally change the overarching story. For instance, I would not employ it to establish if the main villain is a secret enemy. But, I might use it to determine if the party enter a room right after a key action occurs.

Strengthening Player Agency

This technique also helps keep players engaged and cultivate the feeling that the story is responsive, progressing based on their actions in real-time. It combats the feeling that they are merely actors in a rigidly planned story, thereby bolstering the cooperative nature of storytelling.

This philosophy has always been part of the game's DNA. The game's roots were filled with charts, which suited a game focused on exploration. Even though modern D&D often focuses on narrative and role-play, leading many DMs to feel they require detailed plans, this isn't always the only path.

Striking the Right Balance

There is absolutely nothing wrong with doing your prep. But, there is also no issue with letting go and permitting the whim of chance to decide some things rather than you. Authority is a significant part of a DM's responsibilities. We use it to run the game, yet we can be reluctant to give some up, even when doing so can lead to great moments.

The core suggestion is this: Have no fear of relinquishing a bit of your plan. Try a little randomness for inconsequential story elements. The result could find that the unexpected outcome is infinitely more rewarding than anything you might have scripted by yourself.