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As a Dungeon Master, I historically shied away from heavy use of randomization during my tabletop roleplaying sessions. I preferred was for the plot and what happened in a game to be determined by player choice instead of random chance. That said, I opted to try something different, and I'm truly pleased with the outcome.

The Inspiration: Watching 'Luck Rolls'

An influential actual-play show features a DM who often calls for "chance rolls" from the adventurers. He does this by picking a polyhedral and assigning possible results tied to the number. It's at its core no unlike using a random table, these are devised in the moment when a course of events has no predetermined resolution.

I decided to try this approach at my own game, mostly because it seemed engaging and provided a change from my usual habits. The experience were fantastic, prompting me to reflect on the perennial balance between preparation and randomization in a roleplaying game.

An Emotional In-Game Example

During one session, my players had just emerged from a city-wide fight. Later, a cleric character asked about two key NPCs—a brother and sister—had made it. Rather than picking a fate, I asked for a roll. I asked the player to roll a d20. The stakes were: on a 1-4, both were killed; on a 5-9, a single one would die; on a 10+, they both lived.

The player rolled a 4. This triggered a incredibly emotional moment where the adventurers came upon the corpses of their companions, forever united in death. The group conducted a ceremony, which was particularly powerful due to prior character interactions. As a final touch, I chose that the remains were suddenly restored, showing a magical Prayer Bead. I randomized, the bead's contained spell was perfectly what the party required to address another pressing story problem. It's impossible to plan this type of magical story beats.

Sharpening On-the-Spot Skills

This experience caused me to question if randomization and spontaneity are truly the core of D&D. Although you are a detail-oriented DM, your improvisation muscles may atrophy. Players often find joy in ignoring the most detailed narratives. Therefore, a good DM needs to be able to think quickly and create content in the moment.

Utilizing similar mechanics is a fantastic way to develop these abilities without venturing too far outside your comfort zone. The key is to use them for minor circumstances that don't fundamentally change the session's primary direction. To illustrate, I would not employ it to establish if the central plot figure is a secret enemy. Instead, I might use it to decide if the characters enter a room just in time to see a critical event unfolds.

Empowering Shared Narrative

Luck rolls also works to make players feel invested and cultivate the impression that the story is alive, evolving in reaction to their actions immediately. It combats the feeling that they are merely pawns in a pre-written story, thereby strengthening the cooperative foundation of storytelling.

This approach has historically been integral to the original design. Original D&D were reliant on charts, which made sense for a playstyle focused on dungeon crawling. Even though contemporary D&D tends to prioritizes story and character, leading many DMs to feel they need exhaustive notes, that may not be the required method.

Achieving the Healthy Equilibrium

It is perfectly no problem with thorough preparation. But, it's also fine no issue with letting go and allowing the whim of chance to guide minor details in place of you. Direction is a major aspect of a DM's responsibilities. We use it to facilitate play, yet we often struggle to give some up, in situations where doing so can lead to great moments.

The core advice is this: Don't be afraid of temporarily losing control. Embrace a little chance for minor outcomes. The result could create that the organic story beat is significantly more memorable than anything you could have pre-written on your own.