This wall builder became the Ward of Trajan & followed him as Roman Emperor
Eventually, Dio gained for Prusa the right to become the head of 
the... [DOC] [TLE] Hadrian - The Roman Empire [PAR] And alas he shortly afterwards succeeded as a military officer in the Second ... 
Trajan's gratitude was assured and Hadrian indeed became a very close ... 
Trajan, porabalbly using the excuse that the emperor's illness made him to feeble 
to write.