Even though the source of the outbreak is still a mystery, its events are meticulously recorded. A plague of zombies swept through the local villages. The local barbarian chieftain and his men, not knowing what they were dealing with, wrongly thought the undead were merely insane, and thus no real threat. Over 3,000 Pictish and Celtic warriors were sent to deal with the "mad uprising". In a series of disorganized fights with the ghouls, about 600 warriors were totally devoured, while the remaining 3,000 wounded warriors were turned into the living dead, including the chieftain. A Roman merchant traveling through the area, Sextus Sempronios Tubero, witnessed one of the battles. While he didn't know the exact nature of the undead, he noticed that decapitation appeared to be the only method t