So, I was playing through the Garden of Dismay, doing some missions and so on.

Several times, the dragon king died unexpectedly. So I started taking some screenshots.

I was using Samurai Eddie, and had just used his fury skill, and then on the next basic attack, the dragon king died. But, as far as I could see, there was no reason for this to have happened.

Dragon king still had shields, still had health, but on the next basic attack, blam, dead.