The Vestments of the Dark Phoenix items are sold by Horde Gunra in Orgrimmar and Alliance Magatha Silverton in Stormwind City. They are purchased with gold and Tokens of the Fiery Vanquisher. Vestments of the Dark Phoenix is the Tier 12 Raid Set. It contains 5 pieces. Has set bonuses at 2 and 4 pieces.
Dark Phoenix Tunic
Dark Phoenix Gloves
Dark Phoenix Helmet
Dark Phoenix Legguards
Dark Phoenix Spaulders
Wearing more pieces of this set will convey bonuses to your character:
2 pieces: Your melee critical strikes deal 6% additional damage as Fire over 4 sec.
4 pieces: Your Tricks of the Trade ability also causes you to gain a 25% increase to Haste, Mastery, or Critical Strike chosen at random for 30 sec.
By obtaining parts of this set you'll increase your stats and be more powerful
Here you can buy Tier 12 Rogue Vestments of the Dark Phoenix for EU or US Servers.
You'll get guide for getting Tier 12 Rogue Vestments of the Dark Phoenix