There are new changes of WoW, and according to these, you may need to change the method to get Rose Zuly. Read the following information carefully, it is helpful to your next step to gain WoW Gold. Changes of PTR Build:

Mount: It seems that the cast time for summoning and ground mount is now 1.5 seconds, down from 3 seconds.

Engineering: Now, aircraft needs Fel Iron Casing x 2, Elemental Blasting Powder x 2, Handful of Fel Iron Bolts x 20, Asteroxylon x 8.

Paladin - Protection: The phraseology of Shield of Righteousness changes from "effect value is equal to 100% of Holy Damage of your block value" to "bring about the Holy damage on the basic of your block value".

Warrior - Protection: Shield block has been changed back that it will make your block rate and block value improve by 100%, and last 10 seconds.

Official Patch Note Update - Arena: Beginning with season 7, players will no longer have access to the newest season's weapons or shoulder armor and will not qualify for the Gladiator title/rewards with ratings from the 2v2 bracket alone, while these can't be bought by WoW Money.