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As a Dungeon Master, I historically shied away from heavy use of chance during my Dungeons & Dragons games. I tended was for the plot and what happened in a game to be determined by character actions as opposed to pure luck. Recently, I opted to alter my method, and I'm very glad I did.

The Spark: Watching a Custom Mechanic

A well-known podcast showcases a DM who often asks for "luck rolls" from the players. This involves selecting a type of die and outlining consequences based on the number. This is fundamentally no distinct from consulting a random table, these are created on the spot when a player's action has no obvious outcome.

I chose to experiment with this technique at my own table, mostly because it appeared novel and presented a change from my standard routine. The results were fantastic, prompting me to reconsider the perennial balance between pre-determination and randomization in a tabletop session.

A Memorable Story Beat

In a recent session, my players had just emerged from a massive fight. Afterwards, a cleric character inquired after two friendly NPCs—a pair—had lived. Rather than choosing an outcome, I handed it over to chance. I told the player to make a twenty-sided die roll. The stakes were: on a 1-4, both were killed; a middling roll, a single one succumbed; on a 10+, they made it.

Fate decreed a 4. This led to a deeply poignant moment where the adventurers discovered the bodies of their allies, forever clasped together in their final moments. The group performed last rites, which was particularly meaningful due to earlier roleplaying. As a parting touch, I improvised that the forms were suddenly transformed, revealing a magical Prayer Bead. By chance, the item's contained spell was perfectly what the party lacked to address another critical story problem. It's impossible to plan such magical story beats.

Honing On-the-Spot Skills

This experience led me to ponder if improvisation and making it up are in fact the essence of D&D. Although you are a detail-oriented DM, your skill to pivot need exercise. Adventurers frequently take delight in ignoring the best constructed narratives. Therefore, a effective DM needs to be able to think quickly and create content in the moment.

Employing luck rolls is a fantastic way to practice these skills without going completely outside your usual style. The strategy is to deploy them for minor decisions that don't fundamentally change the session's primary direction. For instance, I would not employ it to establish if the main villain is a traitor. However, I could use it to determine if the PCs enter a room moments before a key action takes place.

Empowering Shared Narrative

This technique also helps make players feel invested and foster the sensation that the game world is dynamic, progressing according to their actions as they play. It combats the sense that they are merely actors in a pre-written narrative, thereby enhancing the collaborative foundation of the game.

Randomization has always been embedded in the original design. Early editions were enamored with encounter generators, which suited a playstyle focused on treasure hunting. Although modern D&D frequently emphasizes plot-driven play, leading many DMs to feel they must prep extensively, it's not necessarily the best approach.

Striking the Right Balance

It is perfectly nothing wrong with being prepared. But, there is also nothing wrong with letting go and letting the whim of chance to determine certain outcomes rather than you. Authority is a big factor in a DM's job. We need it to facilitate play, yet we often struggle to give some up, at times when doing so might improve the game.

A piece of suggestion is this: Have no fear of letting go of your plan. Experiment with a little chance for inconsequential story elements. It may find that the unexpected outcome is far more rewarding than anything you could have pre-written on your own.