1. Get Wyvern Sting. It does about 19% damage by itself over 6 secs, and sleeps for 30.
2. Find him.
3. Hurt him until he is approx 67-69% health.
4. Wyvern sting him.
5. Wait till there is 14 secs left on Wyvern sting.
6. At 14 secs left, cast tame beast.
7. If done right, right as your tame ends, he will have just transformed.
Posted on forum.
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Pics are also in there.
I confirm that this method WORKS.
I just tamed him, he keeps his worgen form through logout, dismiss, etc.
I hope Blizz will let us keep it after fix.
Your taming must finish just after he says "enough of this disgui.se" or sth similar. (at 49%)
I tamed it on my friends hunter an hour ago so it still works. Took about 8 trys because I had no idea how to play a hunter and havnt played in awhile. Used the same method cept got mine off mmo champ.
1.DONT RELY on the guide posted, just use your brain and try to perfect your timing
2. you can also wyvern sting him JUST when he says "Enough of this charade!', if you'll do it correct, then he'll still be in wolf form, sleeping, at 20sec, use tame beast, that do not works all the time tho.
I've spent over 1:30hour, trying to figure out the best way for lvl 73 to get it. Wyvern Sting on 51%, and tame beast at 13 sec worked for me.
And believe me ... ITS WORTH to spend a lot of time to get it. That ssimply most amazin pet in-game EVER.
confirmed still working used method above just on 52% does anyone know what you can and can't do with it incase i do something and lose it, i think i read some where you can't goto arena with it
Hope its not fixed yet 
Altho hope its not a bad joke of Yours 
