[3] A theory connects the second phase with the turmoil at the end of Trajan's rule, with Iazyges and Roxolani attacking the Roman fortifications of Dacia.
With Turbo's victory over the enemies of Rome in July 118 CE the Limes's structure came under Imperial scrutiny and a mandatum regarding administrative and military restructuring issued.
[9] The Limes also represented the contact zone of the Roman Empire with the non-Roman population of the outer region, with whom trading relations were established.
Around the time of the Marcomannic Wars in the interaction zone which stretched from south of the Northern Carpathians, roughly the Upper Tisa Basin, to the Apuseni Mountains, artefacts of Przeworsk culture become frequent and more numerous settlements appeared, some just a few kilometres away from the fortifications.
A particular type of artefacts represented by small bronze brooches were also found inside the Roman province, signalling perhaps the presence of female slave population resulted after the wars.
[14] The legion joined the garrison of the newly created Dacia Porolissensis province consisting of 3 alae and 12 auxilliares totalling an approximate 11,000 soldiers.