As the creatures clawed their way up the castle walls, the soldiers fired arrows as fast as they could. They managed to take down many of them, but more and more kept leaping across the flaming moat. The King grabbed my hand and yanked me back through the doorway and into the castle’s interior. We sprinted into a room stacked with weapons, and a familiar smell immediately hit me. I rushed to the barrels, ripping off lids one by one while Arthur stared at me in confusion, until I found exactly what I was looking for. “That’s what we use for the cannons,” he said. “Gunpowder,” I replied. “Highly flammable, obviously.” “And what exactly do you suggest we do with it?” he asked. “We use it to our advantage. We need this on the roof,” I said firmly. Arthur quickly ordered men to haul seve