Luck Rolls in Dungeons & Dragons Can Help You Be a Better DM

When I am a Dungeon Master, I traditionally avoided heavy use of luck during my D&D adventures. I preferred was for narrative flow and what happened in a game to be guided by player choice instead of pure luck. Recently, I opted to alter my method, and I'm incredibly glad I did.

A set of vintage gaming dice dating back decades.
A vintage set of D&D dice evokes the game's history.

The Spark: Watching a Custom Mechanic

An influential streamed game utilizes a DM who regularly asks for "luck rolls" from the players. He does this by choosing a specific dice and defining possible results contingent on the number. This is essentially no distinct from consulting a pre-generated chart, these get invented spontaneously when a character's decision doesn't have a predetermined outcome.

I opted to test this method at my own game, primarily because it appeared interesting and provided a departure from my standard routine. The experience were remarkable, prompting me to think deeply about the perennial balance between pre-determination and spontaneity in a D&D campaign.

A Memorable In-Game Example

In a recent session, my group had survived a large-scale fight. Later, a cleric character inquired after two friendly NPCs—a sibling duo—had survived. Instead of choosing an outcome, I asked for a roll. I asked the player to make a twenty-sided die roll. The possible results were: on a 1-4, both were killed; on a 5-9, only one would die; a high roll, they made it.

The player rolled a 4. This resulted in a incredibly emotional moment where the party discovered the corpses of their companions, still united in death. The group held funeral rites, which was especially meaningful due to previous character interactions. As a parting reward, I improvised that the NPCs' bodies were suddenly restored, showing a magical Prayer Bead. I randomized, the item's magical effect was precisely what the party needed to address another pressing situation. It's impossible to plan such serendipitous story beats.

A DM running a focused game session with several participants.
An experienced DM facilitates a game demanding both planning and spontaneity.

Honing On-the-Spot Skills

This event led me to ponder if improvisation and making it up are in fact the beating heart of this game. While you are a prep-heavy DM, your skill to pivot need exercise. Players often take delight in derailing the most detailed plans. Therefore, a good DM has to be able to adapt swiftly and create content in real-time.

Employing on-the-spot randomization is a fantastic way to develop these talents without going completely outside your usual style. The key is to apply them for minor circumstances that don't fundamentally change the session's primary direction. For instance, I wouldn't use it to establish if the main villain is a secret enemy. But, I could use it to decide if the characters arrive moments before a key action takes place.

Strengthening Player Agency

This technique also serves to make players feel invested and create the impression that the adventure is alive, evolving based on their choices in real-time. It prevents the perception that they are merely actors in a DM's sole script, thereby bolstering the cooperative foundation of storytelling.

Randomization has long been part of the game's DNA. Original D&D were filled with encounter generators, which fit a game focused on treasure hunting. While contemporary D&D tends to focuses on narrative and role-play, leading many DMs to feel they must prep extensively, that may not be the only path.

Striking the Healthy Equilibrium

Absolutely no problem with being prepared. However, there is also no problem with stepping back and letting the dice to decide some things rather than you. Authority is a big factor in a DM's job. We require it to run the game, yet we often struggle to release it, in situations where doing so can lead to great moments.

My final advice is this: Have no fear of relinquishing a bit of control. Experiment with a little chance for inconsequential details. You might just create that the surprising result is significantly more memorable than anything you would have planned by yourself.

Brittany Barajas
Brittany Barajas

A seasoned gamer and strategy expert with over a decade of experience in quest-based RPGs and tactical simulations.