🧱 Minimum Garrison to Hold the Gatehouse Against the Dragon
To realistically repel or survive an assault from a young black dragon with spellcasting, infiltration, and acid breath, you'd need at least:
🛡️ Defensive Force: 40–50 Combatants
| Role | Quantity | Notes |
|---|---|---|
| Heavy Infantry | 12–16 | Spearwalls, tower shields; stationed at chokepoints |
| Crossbowmen / Archers | 10–12 | Focused fire during aerial or breach assault |
| Spellcasters | 3–5 | At least 1 capable of Protection from Acid, Dispel Magic, or illusions |
| Engineers / Sappers | 2–3 | Trap setters, wall reinforcement, create deadfalls |
| Veteran Officers | 2–4 | For squad cohesion, fast response, and morale recovery |
| Support Clerics | 2+ | Must have Bless, Cure Light Wounds, possibly Silence for assassin infiltrators |
| Sappers / Ward Specialists | 1–2 | Enchanted sigils, early warning crystals, dragon bane glyphs |
Total Garrison Size: 40–50 trained, coordinated defenders, plus 10–15 support staff for food, morale, repair, and magic wards.
🧙 Magical Requirements
Without strong magical support, this is a delaying action—not a defense. You'd need:
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Wards vs. shapechangers & illusions (doppelganger-proofing)
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Acid resistance across key troops (scrolls or potions)
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Alarm spells or magical sensors to detect invisible or polymorphed approaches
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One scroll of Wall of Force or Teleport for evacuation
🧰 Structural Fortification Needs
To turn the Gatehouse into a proper redoubt:
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Reinforce murder holes and arrow slits with alchemical shielding
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Line the ceilings with caltrops, boiling oil points, or chandeliers rigged to fall
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Dragon traps: collapsible ceilings, crystal-shattering alchemical barrels, collapsing tunnels
🎭 Contingency Plan
Even this force may not kill Song of Night Screams. But it can buy time:
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Alert the region
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Evacuate civilians and non-combatants
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Survive long enough to drive him off or make his cost too high
Commander Ayberk’s Final Word:
"A garrison of fifty can hold it—maybe—if half of them are mages or madmen, and the other half don’t mind dying with purpose.
But I’ll tell you straight: no army holds a ruin from a dragon forever. You don’t win. You endure. Long enough to make him bleed."*