Your Random Encounters Are Too Predictable, And It's Not the Dice's Fault

Ask most game masters about random encounters and you'll get a shrug. Filler. Padding. Something to burn twenty minutes when the party takes the long road. But the real problem isn't randomness, it's that most encounters aren't random at all.

When you build an encounter yourself, you revert to type. You reach for the familiar: the monsters you already know how to run, the statblocks you've got a feel for, the creatures whose tactics you could recite from memory. It's not laziness, it's comfort. And after a while your players learn the shape of your imagination, which is a quiet kind of death for a campaign.

A random table, or a shuffled deck, breaks that habit for you. You roll or you draw, and suddenly you're running something you would never have chosen, which means you have to think, and your players genuinely don't know what's coming. That's a challenge to you as a GM, and it's a gift to the table.

Here's how we built Wandering Monsters around that idea.

Environment first, challenge rating second

We sorted by environment, not by monster type or challenge rating, because environment is what the fiction actually hands you. You know the party is in a cavern, or crossing a marsh, or moving through a city at night. You don't know that you want a CR 7.

So the environment is the way in, and challenge rating lives inside the card. The results on each card are sorted by CR, so you can pick the one that fits your party, or roll and let the chips fall where they may.

Three to five encounters per card

Each card carries three to five possible encounters rather than one. That's partly maths and partly longevity. A 52-card deck with one encounter per card is 52 encounters. With three to five, the same deck keeps producing surprises for years, and drawing a card you've seen before doesn't feel stale, because the second draw is a different night at the table.

The part that matters most: use it in prep

Everything above assumes you're drawing on the fly, which is a perfectly good way to use the deck. But the more interesting use is in prep.

Draw cards while you're building the adventure, then ask the obvious question: why is this creature here? The answers write your plot for you. Maybe it's guarding the entrance to the dungeon. Maybe someone paid it a few gold to slow the party down while the villain slipped out the back.

Suddenly a random result isn't disconnected from your story, it's generating it. And because the deck is sorted by environment, there's already a logic to the creature being there. You're not justifying an absurdity, you're following a thread.

That's the trick with randomness. It isn't there to replace your judgement. It's there to give your judgement something it wouldn't have thought of.

Get Wandering Monsters

Wandering Monsters is available in several formats:

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