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As a DM, I traditionally shied away from heavy use of randomization during my Dungeons & Dragons adventures. My preference was for narrative flow and session development to be determined by deliberate decisions rather than pure luck. However, I chose to change my approach, and I'm very pleased with the outcome.

The Spark: Seeing a Custom Mechanic

A well-known podcast utilizes a DM who frequently calls for "luck rolls" from the participants. This involves choosing a type of die and outlining consequences contingent on the roll. It's essentially no different from consulting a pre-generated chart, these are devised on the spot when a character's decision doesn't have a clear outcome.

I opted to test this technique at my own session, mostly because it appeared engaging and provided a break from my normal practice. The outcome were remarkable, prompting me to reconsider the often-debated balance between preparation and improvisation in a roleplaying game.

A Powerful Session Moment

During one session, my group had just emerged from a large-scale fight. When the dust settled, a player asked about two key NPCs—a pair—had lived. Rather than picking a fate, I asked for a roll. I told the player to make a twenty-sided die roll. The possible results were: a low roll, both died; a middling roll, only one would die; a high roll, they survived.

The die came up a 4. This triggered a profoundly emotional moment where the characters came upon the remains of their allies, still holding hands in their final moments. The group conducted funeral rites, which was particularly powerful due to previous character interactions. As a parting touch, I improvised that the remains were suddenly restored, revealing a spell-storing object. By chance, the item's contained spell was precisely what the party required to solve another major quest obstacle. It's impossible to orchestrate this type of serendipitous moments.

Improving On-the-Spot Skills

This experience made me wonder if improvisation and thinking on your feet are truly the essence of this game. Although you are a meticulously planning DM, your improvisation muscles need exercise. Players frequently take delight in ignoring the most detailed plots. Therefore, a good DM needs to be able to think quickly and invent details on the fly.

Using on-the-spot randomization is a fantastic way to develop these skills without venturing too far outside your preparation. The trick is to use them for minor circumstances that won't drastically alter the session's primary direction. As an example, I would avoid using it to establish if the main villain is a secret enemy. However, I might use it to decide if the PCs reach a location moments before a major incident occurs.

Empowering Collaborative Storytelling

Luck rolls also works to maintain tension and foster the impression that the game world is alive, evolving according to their decisions as they play. It prevents the perception that they are merely pawns in a rigidly planned script, thereby strengthening the collaborative aspect of the game.

This approach has long been embedded in the original design. The game's roots were enamored with random tables, which suited a playstyle focused on exploration. Although modern D&D often emphasizes story and character, leading many DMs to feel they must prep extensively, that may not be the only path.

Finding the Sweet Spot

It is perfectly nothing wrong with thorough preparation. Yet, there is also no issue with relinquishing control and allowing the dice to decide some things instead of you. Authority is a significant factor in a DM's responsibilities. We require it to manage the world, yet we often struggle to cede it, at times when doing so might improve the game.

My final advice is this: Do not fear of letting go of your plan. Embrace a little chance for inconsequential details. You might just create that the surprising result is infinitely more memorable than anything you could have pre-written by yourself.