I was certain it was supposed to be a re interpretation of it, I mean even the name is notably similar
Now I don't have any contextual knowledge about this Qin unification event, but I'm making a completely blind guess to say that's refering to Qin Shihuang/ Shi Hhuang Di's eara?
Gotta admit that I only know the surface level stuff, so I am operating on a fair share of assumptions