Not So Majestic Now, Sire
From M2K2: Metroid Prime 2 Wiki
Encountered by
DJ Grenola
I was trying to polish off His Highness Emperor Ing in my 21% game, when this happened.
I couldn't damage him with missiles, screw attack or beams (I would have tried a power bomb if I'd had any left). Eventually I walked into his back leg and died (you'll notice I only had 02 energy left).