ties on the Qin army in a short period of time.Su Pingbei, seeing the situation, knew they could not stay long. He immediately ordered a retreat.However, just as Su Pingbei was about to run over, outs...evel of gunpowder refinement in Qin dynasty now, this thing probably wouldn't even have one-third the power of a genuine grenade.But even so, it is enough.You have to understand, this is the era of co...