Like, imagine a giant stone golem face floating in the air... and it attacks you by wiggling its ears

Hahaha oh, that's unfortunate. One of the coolest things about Phantasy Star was that the enemies had animated sprites, even SNES Final Fantasy didn't have that.

I'm guessing they would have animated it more but the stupid competitiveness of that era means Sega forced games to be SUPER rushed, like "make this in 6 months" kind of rushed.