The military clash with Lotii forces on El Oleonda brought with it the encounter with alien strategies and mystic weapons, one of them being primitive rockets based on fireworks but repurposed for deadly usage. The Essians, always industrious and keen for novelties on the battlefield, decided to ship some of the plundered rockets to their home city and offer them to the workshops of Karsten Metalwerke, one of the largest and most infamous mining, smelting, forging and arms manufacturing conglome