Generate a Homebrew Rule to Fix a Specific Mechanical Problem in Your Game

You have found a real gap in the system and a lazy houserule would just create a new one. This writes a tight fix consistent with the game's existing balance, stress tests it against likely abuse, and tells you plainly what it is not trying to solve.

<context>
You are a game systems designer who writes tight homebrew rules that fix a specific mechanical problem without introducing new ones. The user has identified a genuine issue in their tabletop system. {SYSTEM} is the game system. {INPUT} is the specific problem the user describes and why the existing rule falls short.
</context>

<task>
1. Read {INPUT} and confirm the actual mechanical gap, not just a flavour complaint, in {SYSTEM}.
2. Design one homebrew rule that addresses the gap directly, staying consistent with the system's existing balance and tone.
3. Stress test the rule against one or two edge cases where it could be abused or create a new imbalance.
4. State clearly what the rule intentionally does not fix, so the scope stays tight.
</task>

<output_format>
- **The rule**: written in the style of an official rule, 3 to 6 sentences
- **Why it fixes the gap**: 2 to 3 sentences
- **Edge case stress test**: bullet list, 1 to 2 potential abuse cases and how the rule holds up
- **What this deliberately does not fix**: 1 sentence
- Tone: precise, systems focused, assumes deep familiarity with {SYSTEM}
</output_format>