Ask a yes/no question, set how likely it is, and let the chaos factor decide how hard the world swings. Built for GM-less or prep-light play: a question, a die, and an answer you can act on.
Yes / No Oracle
Likelihood
Low chaos keeps answers measured. High chaos pushes results toward flat "Yes" and cascading "No, and…" outcomes.
00
d100
Scene Prompts
1
d20
Roll when you open a scene to see whether it plays out as expected, altered, or interrupted.
1The scene starts as expected, but a minute too late.
2An NPC is already here, waiting.
3The location has changed since anyone last saw it.
4A rival got here first and left signs.
5Weather or light turns against the party.
6Someone is missing who should be present.
7The scene opens mid-argument.
8A deadline is announced out loud.
9The expected obstacle is already dealt with — badly.
10A crowd complicates any direct action.
11The party is recognized.
12Something valuable is in plain sight and unguarded.
13A previous NPC returns changed.
14Sound carries here; stealth is off the table.
15The scene is interrupted before it resolves.
16An ally asks for a favor at the worst time.
17Evidence contradicts what the party believes.
18A faction clock visibly ticks forward.
19The scene plays out exactly as expected.
20Everything is quiet, and that is the problem.
Random Event Triggers
1
d20
Roll when the oracle throws a complication, or whenever the chaos factor demands one.
1NPC acts — pursues their own agenda openly.
2NPC negative — someone turns on the party.
3NPC positive — unexpected help arrives.
4Remote event — news of something far away.
5Move toward a thread — progress lands in your lap.
6Move away from a thread — a lead goes cold.
7Close a thread — something resolves for good.
8New thread — an unrelated problem opens.
9PC negative — a personal cost surfaces.
10PC positive — a personal win surfaces.
11Ambiguous event — meaning unclear until later.
12Faction advances — a rival gains ground.
13Faction stumbles — a rival loses ground.
14Resource strain — supplies, coin, or time run short.
15Environment shifts — the terrain or weather changes.
16Authority intervenes — official attention lands.