 The series begins with opening credits that depict traditional Roman myths , such as <unk> and <unk> , the city 's foundation <unk> . For inspiration , visual effects and design company <unk> explored museums , read the script and researched Roman history . They created the opening sequence entirely in @-@ house . VFX artist Kirk <unk> said of production , " On many projects , you start off with <unk> and everyone has a good idea of what it 's going to look like when it 's completed . This project was very experimental right to the very end . The tone of it is pretty much unlike anything we 've done and most of what any of us here have seen . There 's a lot there that creatively sets the stage for the series . " 
