Deck Defender Achievement Bug! I am currently doing this achievement for the Glory of the Dragon Soul Achievement on 10 man normal and it’s one of the last Achievement I need for the mount. I have done this today and last week, but I still don’t get credited for my achievement and the health bar didn’t go down on both of my attempts. I don’t if it’s a glitch for me not to get credited or it’s a glitch for the health bar to not be shown to go down. It’s very frustrating because I want the mount.
The ship’s health bar will always go down at least a little - when Goriona does a broadside attack you can’t do anything about it and it does some damage, but does not invalidate the achievement.
Track the achievement, and you might see when it “goes red” if you fail. The things you have to catch all of are:
Absorb every big swirly purple blast from Goriona.
Kill every goblin saboteur that drops on deck before they get to the door.
Don’t let any of the small drakes land a shot. Best to kill them both as they fly over, but if you can’t, I think you can still absorb their small purple blasts and succeed.
To follow up I ran it today on three characters that had not done the achievement before (several of my toons are camped down in Caverns of Time anyway for the event). I did it on 25 man because why not try for the drop mount too. All 3 were able to get the achievement with no trouble.
So it is possible it is something to do with you trying on 10 man. You may want to try on 25 next time if your toon is 110 or higher.