[A light touch of System elements + War of Resistance + building up troops + independent development + reinforcements]
Zhang Zilong is unexpectedly reborn in the Republic of China era, inside a bandit stronghold. Qing Shui Stronghold is wiped out during a Japanese Kwantung Army encirclement campaign. Zhang Zilong leads the remnants through the Japanese blockade and escapes to Tianjin.
From then on, the Japanese in Tianjin’s concession can’t sleep peacefully at night, living in fear day after day.
Zhang Zilong also binds himself to the “Desperate Counterattack System.” Using its unlimited duplication function, he mass-produces all kinds of advanced weapons and equipment, finally gaining the firepower to trade heavy blows with the Japanese.
Build a supporting building: if anyone wants to interact, please leave their names [awkward laughter]