I know it's pretty much nothing nowadays since it's so ridiculously easy now to become exalted with the faction capital cities, but I'm still proud of being an Ambassador of the Alliance. I hit exalted with Ironforge back before Burning Crusade, back when you had to start your character in the starting zone of the city you wanted and do every single quest that related to that city and its people before they became grey to your level because once they did, you only got 10 reputation points. All you could do then was turn in runecloth or, during the opening of Ahn'Qiraj, turn in commendations. I'm a human, and I earned my Swift Gray Ram the hard way, and I will never stop being proud of it.
For me its my On Wings of Nether achievement that I gained on my druid. I had tried for so long, took time off from the game, and really pushed to get it when I got back. A close second would be Skyshattered just cause of how many tries it took me to finally beat him. All worth it for my Onyx Netherwing Drake.
I love my Glory of the Ulduar Raider (10 player) achievement because of the Rusted Proto it gave me! I love my proto.
The Safety DanceGreat memories of a fun achievement in a classic raid with some great friends who were taken from us at far too young an age. It goes without saying that you MUST play Men Without Hats during the encounter.
The achievement I am most proud of is The Twilight Zone (10 player). I am proud of this one because we managed to do it with only 8 people in our raid. It was a blast.
This post was from a user who has deleted their account.
Glory of the Icecrown Raider (10 player), right away! It took us a pretty long time to achieve, but we made it in November 2010. We put so much effort in finishing the current raid before Cataclysm comes out. We were one of the 2 or 3 few guilds to have this achievement on our server. Pretty proud of the acomplishment! :)
Worked tirelessly to get The Loremaster (after easily getting Explorer and not so easily The Seeker) before Cata beta dropped. Then was fortunate to get into Cata Beta. I then, sadly, discovered The Loremaster is much simpler (to Track at least) in Cataclysm. Still, The Loremaster is mine, with all 1400 Kalimador & Eastern Kingdoms quests along with Outland & Northrend because of my own perseverance (much like typing this post on a laggy iPhone)
i think that my favorite achiev is The Flame Keeper Desecrating the alliance was so fun, and defending our own bonfires even better, also the torch juggling added the fun part.midsummer is one of the best world events.
Be Mine!, because I got mine pre-nerfs on my main, while it was still "horrendously difficult" because you had to spawn all the candies from the bag yourself.
Karazhan After spending so long in that fudging place it was nice to get some acknowledgement at last!
Im not sure if it is an actual achievement because this was before the achieve system, but the moment that I most proud of is getting my Amani War Bear from ZA. me and my group ran it twice every week for months back in BC (the same exact group every time!). at first we weren't even thinking about getting the mount just getting gear and badges but once we all were geared we thirsted for that honor of killing all bosses under the time and riding off on a bear. unfortunately every time we would have one little hitch, getting caught by a pat and having a healer die, or having a DC or something. Bliz planned to remove the timed run and the chance for the bear, so my group got together for our final attempt at glory, getting the bear. i will always remember literally riding into combat to fight the final boss just before the last minute for the timed run to end. no ready check, mounted riding into the room, avenger shield from out main tank, and our last chance had begun. after an epic battle we downed final downed him in under the time limit. now the real battle the roll between the 10 of us, all thirsty for the mount that we had worked so hard for. i held my breath, i had the highest roll... 5 more people to roll. my heart skipped a beat with every roll. im pretty sure that my entire town heard my cheer when the last person's roll was under mine and i was still top dog. after months of week i finally had my bear. i wish that the rest of my group could have gotten the mount like me. but still to this day my warlock rides into battle appropriately on an Amani War Bear.
Swift White HawkstriderFirst run at level 70 was the best.
Spirit of Competition definitely. PvP is quite alien to me, but I did it!
Definitely Exalted Argent Champion of the Horde. The amount of time and effort needed to gain the Crusader title and not to mention it nets you 6 other titles along the way. Makes me very proud.