The Jade Falcons did find some Romans eager to exchange peaceful knowledge: a group of persecuted Roman communist party leaders who were quick to tout the fallacies of the Roman Republic's rule. Fortified with an uncooperative Roman central government and a sympathetic group of Roman citizens, the Jade Falcons began colluding in earnest with the Roman People's Movement. Those forces stationed at the Roman border simply sold their Vikings--now useless to the Jade Falcons, but advanced for the Romans--to the revolutionaries as "farming equipment."
While outnumbered, the Jade Falcons present renounced the tenuous peace treaty between the two peoples and held Pisae against the Archers of the Roman Republic, but so great were the enemy numbers that victory would have eluded the Jade Falcons and their fledging child-state at the very start had it not been for the citizenry of Pisae joining the front lines beside them. Together, they held Pisae held until Jade Falcon reinforcements could arrive.
The Jade Falcons, enjoying advantages in both technology and the size of their empire(if not the relative size of their military), suffered only one difficulty; getting troops and supplies from their Gateway to the West, Mow, to a front line in Roman territory, almost 48,000 miles away, through thick forests and over the harsh deserts of what would in later times be called the Persian Bottleneck.
Still, while reinforcements for the garrison slowly crawled across deserts and wilderness, the Jade Falcons and RPM troops in Pisae faced down wave after wave of Roman troops...
The Persian Bottleneck. A heavily-modified image depicting a number of historical Roman (and Persian) lands. The Persian Bottleneck extends further East, but the Bottleneck itself is the desert island between the Persian and Roman cities. Jade Falcon territory is much, much further East.