The lovely Saresa proffers up this Shared Topic at the Twisted Nether Blogcast and on Blog Azeroth, which in turn was proposed by Skraps from the hilariously named ShamWoW:

I am sure this topic has been covered, but among all my other fails I fail at searching.
I have noticed a string of my recent posts covered how I fail, often epically. I would like to see how others fail.
I think it is very good for newer players to see how those of us make dumb mistakes, even though we have been at this for quite a while.

Never let it be said I’m not a resource to others. Let’s see how badly I’ve failed, shall we?

• After the Great Talent Reset of 3.0, I spent 20 minutes wondering why I couldn’t summon my Felguard. At least I wasn’t alone in the confusion.

• You know, I’m noticing a trend. Just last week I took a long time trying to figure out what was missing from my bars when I respecced Unholy, then once I figured out it was Unholy Blight, I couldn’t figure out where the button was. Did they change it so badly that I needed to return to a trainer? Only after several rounds of the “open spellbook, open talent sheet” dance did I actually mouse over the now-passive talent.

• My ghoul was once a continuous source of fail for me. I used to have a pet attack macroed into most of my strikes. That is, until I figured out that if I didn’t have a target (say, because my current target had died), and I was aimed towards the next pack of trash, my ghoul would promptly leap into the next pack of trash with a sort of glee.

• I also used to do this with my felguard in Kara constantly. I remain amazed that my guild at the time didn’t hunt me down and kill me.

• Speaking of that guild, my recruitment story was a fail. Y’see, leveling up, I had actually completely skipped Hellfire Ramparts (which is really not hard to do at all). So when I got invited to do Heroic Ramparts with the people who would later be my future guildmates, I of course didn’t know about Omor the Unscarred’s Bane of Treachery. So I may have sorta-kinda caused a wipe by getting it cast on me and standing directly in front of the tree druid. To be fair, no one told me not to stand in front of the tree.

• There were also a few times in Kara that I failed to watch where I was going and fell off ledges, usually into the library. Whoops.

However, I never - ever - moved in a Flame Wreath. That, after all, would blow up the raid.