Raven Tengu Kabuto: The Golden-Eyed Beast
1992 OVA set in feudal Japan...
...
Wait, what's this??
Dude, I could've warned you about this. It had a Buried Garbage article so I vetted it when I was vetting stuff like Dark Cat and Ki-Me-Ra!
I found it largely really boring, save for the pagodacopter which got a good chuckle out of me. There's actually an adjoining television series, but the final third never received a translation, alas.