Overview

In the heart of defense-based adventures, the player characters stand as the last line of defense, shielding a location and its people from an overwhelming invading force. These stories echo classic tales like Seven Samurai — the focus is not on infiltration, but on preparation, fortification, and desperate resistance.

The heroes must deeply understand the location they are protecting: its layout, its inhabitants, its strengths, and its vulnerabilities. Victory depends on turning that knowledge into a cohesive defense.

Preparation for the Game Master

Before play begins, the GM should answer these core questions:

1. What makes this location unique and worth defending?
2. Who lives here, and what do they value or protect?
3. What is the nature, strength, and origin of the invading force?
4. How much time do the characters have before the attack arrives?

Instead of planning isolated encounters, design the enemy’s overall strategy, numbers, tactics, timeline, and objectives. This creates a living threat that escalates naturally toward the final battle.

During the Adventure

The bulk of the adventure revolves around proactive preparation. Player characters can:

1. Train and organize local defenders
2. Reinforce walls, gates, and chokepoints
3. Scout enemy movements and gather intelligence
4. Secure supplies and create contingency plans
5. Launch preemptive strikes against the enemy camp (optional but powerful)

When the final battle begins, keep the spotlight on the player characters and their key actions. The GM manages the larger battle between NPC defenders and attackers in the background, with outcomes heavily influenced by the quality of the players’ earlier preparations.

Common Pitfalls

1. Players feeling unsure what preparations are meaningful or allowed
2. A location that is too large or open, with no natural defensive advantages
3. Locals who are difficult to train or unwilling to cooperate
4. An enemy force so overwhelmingly powerful that players feel hopeless
5. Combat becoming bogged down by tracking too many individual enemies at once

Final Thoughts

Defense adventures are a powerful celebration of resilience, ingenuity, and heroism under pressure. When players invest time fortifying a place and its people, then stand together as the enemy tide crashes against them, the emotional payoff is immense. The fate of the settlement — and everyone in it — rests squarely on their shoulders.