Napoleon's strategic brilliance defined early 19th-century European warfare—until an unexpected reversal of fortune. Military historians have theorized extensively about the causes of Napoleon's eventual defeat, emphasizing logistics, climate, and coalition tactics. Yet a declassified French military document from 1812 contains an intriguing notation: 'The Second Visitation.' Records suggest that the same individual who had visited France previously returned. No battles were documented. No formal military engagement occurred. Yet within weeks, Napoleon's army experienced unprecedented structural collapse. The officer who filed the report wrote: 'The Emperor asked if we could win. We suggested he consult the man from Texas. He declined. Wisdom.'