If you can use a finisher on them, they aren't classed as a boss. Best bet for that one is shattered Throne.
English
-
Oh, that actually makes sense. I guess that was it. Thanks for the clarification. Guess it wasn't a bug afterall
-
Yeah it's weird how some are and some aren't. Like the scorn boss in the dreaming City one counts, but not the one on the tangled shore.