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When I am a Dungeon Master, I historically shied away from heavy use of randomization during my Dungeons & Dragons adventures. I tended was for the plot and session development to be guided by deliberate decisions as opposed to pure luck. Recently, I opted to try something different, and I'm truly happy with the result.

The Catalyst: Watching 'Luck Rolls'

A well-known actual-play show utilizes a DM who frequently calls for "chance rolls" from the adventurers. The process entails selecting a polyhedral and assigning potential outcomes based on the number. It's essentially no unlike consulting a random table, these are created on the spot when a player's action has no predetermined outcome.

I chose to experiment with this method at my own session, mainly because it looked interesting and presented a departure from my normal practice. The results were remarkable, prompting me to think deeply about the often-debated balance between preparation and randomization in a roleplaying game.

A Powerful In-Game Example

In a recent session, my party had survived a large-scale battle. When the dust settled, a cleric character inquired after two key NPCs—a pair—had made it. Rather than picking a fate, I handed it over to chance. I instructed the player to make a twenty-sided die roll. The stakes were: on a 1-4, both would perish; a middling roll, only one would die; a high roll, they survived.

The die came up a 4. This resulted in a deeply moving sequence where the adventurers discovered the bodies of their companions, forever united in death. The cleric conducted last rites, which was especially significant due to prior roleplaying. In a concluding touch, I chose that the NPCs' bodies were miraculously restored, revealing a magical Prayer Bead. By chance, the bead's magical effect was exactly what the group needed to solve another pressing situation. You simply script these kinds of serendipitous story beats.

Improving DM Agility

This incident made me wonder if improvisation and making it up are truly the core of tabletop RPGs. Although you are a prep-heavy DM, your improvisation muscles need exercise. Players often find joy in upending the most detailed plans. Therefore, a effective DM needs to be able to adapt swiftly and create details in real-time.

Employing on-the-spot randomization is a fantastic way to train these talents without venturing too far outside your preparation. The trick is to apply them for low-stakes situations that won't drastically alter the session's primary direction. To illustrate, I would not employ it to establish if the king's advisor is a traitor. Instead, I would consider using it to figure out whether the party enter a room moments before a major incident takes place.

Enhancing Shared Narrative

This technique also works to keep players engaged and create the feeling that the adventure is responsive, evolving in reaction to their actions in real-time. It prevents the sense that they are merely actors in a pre-written story, thereby enhancing the collaborative foundation of the game.

This philosophy has always been integral to the original design. Original D&D were enamored with random tables, which suited a playstyle focused on exploration. While contemporary D&D frequently focuses on story and character, leading many DMs to feel they require detailed plans, this isn't always the only path.

Achieving the Right Balance

Absolutely no issue with thorough preparation. Yet, equally valid nothing wrong with stepping back and letting the dice to determine certain outcomes in place of you. Authority is a major aspect of a DM's role. We use it to run the game, yet we often struggle to give some up, even when doing so might improve the game.

My final advice is this: Don't be afraid of temporarily losing the reins. Try a little chance for minor details. The result could find that the unexpected outcome is significantly more memorable than anything you might have scripted by yourself.