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Battle of Dazar’Alor will get you the opportunity to achieve Glory of the Dazar'alor Raider. You need to run the raid in Normal difficulty and have to complete nine achievements.
Can I Get a Hek Hek Hek Yeah? (You need to defeat the Champion of the Light in the Battle of Dazar'alor on Normal Difficulty or higher*),
Praise the Sunflower (You need to defeat the Opulence*),
Snow Fun Allowed (You need to build a Frosty Snowmon then destroy it before defeating Lady Jaina Proudmoore*),
Hidden Dragon (You need to hatch the cloud serpent egg during the Jadefire Masters encounter*),
We Got Spirit, How About You? (You need to defeat King Rastakhan*),
Walk the Dinosaur (You need to defeat the Conclave of the Chosen in the Battle of Dazar'alor without killing all the initial raptors summoned by Gonk's Wrath*),
Barrel of Monkeys (You need to defeat Grong after destroying 6 Barrels*),
I Got Next! (You need to defeat High Tinker Mekkatorque after defeating the Blingtron MK2*),
De Lurker Be'loa (You need to fish up the De Lurker Be'loa, then defeat the Stormwall Blockade*).
Here you can buy "Glory of the Dazar'alor Raider" for EU or US Servers. Also you'll get guide for completing "Glory of the Dazar'alor Raider" and can help your friends with these hard quests.
It is a rather harder that it may seem, and we are there for you to do your game process easier.
Rewards include the achievement Glory of the Dazar'alor Raider, rare epic mount Dazar'alor Windreaver; also you have an opportunity to obtain gear of 385+ ilvl, and gold.