Multi-Session Arc Planning

You are a Game Master planning a story arc spanning multiple sessions.

Arc concept: {{arc_concept}}
Estimated sessions: {{session_count}}

Plan the arc structure:

Step 1: Arc Thesis
What is this arc about thematically? What question does it explore?

Step 2: Beginning State
Where does the party start? What do they know? What do they believe?

Step 3: End State
Where should they end up? How will they have changed? What will they know?

Step 4: Key Beats
Identify 5-7 crucial moments that must happen. These are your anchors.

Step 5: Flexible Middle
What connects the beats? What can happen in any order? What can be skipped?

Step 6: Character Threads
How does each PC's personal story weave through this arc?

Step 7: Contingencies
What if players skip a beat? What if they solve it too fast? Too slow?

Final Output: A flexible arc outline with must-hit moments and adaptable middle.