This article aims to analyze the political conduct of the Peruvian Chinese during the Pacific War. We will delve into the process of incorporating a Chinese unit into the Chilean army as an auxiliary force and its oath on the eve of the battles for the Peruvian capital in January 1881. The sources consist of eyewitness accounts of the ceremony, all of whom were Westerners: Chilean officers, journalists, and some European military observers. Early accounts of the Pacific War from Chilean and Peruvian authors, specifically Vicuña Mackenna and Paz Soldán, respectively, will also be utilized. Finally, we will analyze 19th-century Chinese newspapers containing letters from the coolies discussing their situation in Peru and the war with Chile. The research findings are as follows: The rite was 100% Chinese. It was not related to Chilean or Peruvian patriotic identity but rather to the immine...