My personal favorite has to be What a Long strange trip it's been. Took so long and i'm very happy to have my ugly purple dragon, i call him Puff, cuz he's made of magic :)
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Reins of the Raven Lord Finally got him! The site achievement 'A WINNAR IS YOU" will make him look even better!
The Undying. Got it when Naxx was still relevant on my DK. Ended up getting Immortal on my druid in 3.3 but it just doesn't have as much meaning now. (Doesn't stop me from rocking it though.)
What A Long, Strange Trip It's Been! Yay purple drake!
The achievement I'm most proud of getting is 100 pets. It took a lot of time and effort to get them, so it really felt like an achievement. Plus I had a lot of really cool looking companions to show off!
My favourite achievement is Karazhan . The day i got it , i was extremely happy. It was my favourite instance and the mace dropped for my resto shaman =D Wowow the good old days of Kara... Will never forget it :D
For me, it would be The Undying, in its time it was a hard to get achievement ; now only a handful of people have it.
I've been working on this one for a while now, and am just down to Ice the Frost Lord of The Flame Warden. The only reason I don't have it is because I wasn't high enough level to get it when I started doing holiday achievements with my current main. (And even tried to run the entire Slave Pens dungeon to find him multiple times before I had figured out that you needed to queue separately, and that I wasn't high enough level to even get the option to do so.)
Getting my The Conqueror title. That b**** took forever. But now i am known as Daxor the Conqueror of Arthas. :)
On May 5, after working on the requirements diligently for more than two years, I returned my team's flag in Warsong Gulch with my Orc orphan looking on to complete "School Of Hard Knocks" and met the requirements for "What A Long Strange Trip It's Been," which happens to be a phrase from the lyrics of my favorite Grateful Dead song. I was extremely excited to receive my Violet Proto-Drake mount a few minutes later. It really was a long strange trip, and for a day or so I was almost let down, wondering what could top it... but then my wife, who scored the same achievement just a couple of days later, helped me get my bearings.Next stop: Loremaster.
Scarab Lord I wasted alot of time with the support of my guild for a pretty title.Yes I have no life.