Midsummer Festival Achievement Guide
Ice the Frost Lord: Slay Ahune in the Slave Pens. Slave Pens does not have to be on Heroic Difficulty and Ahune is a level 73 elite located inside.
Burning Hot Pole Dance: Dance at the ribbon pole for 60 seconds while wearing a completed Midsummer set. You're required to have all 3 of these items.
King of the Fire Festival: Complete the quest "A Thief's Reward", by stealing the flames from your enemies capital city.
Flame Keeper of Eastern Kingdoms: Honor the flames of Eastern Kingdoms.
Flame Keeper of Kalimdor: Honor the flames of Kalimdor.
Flame Keeper of Outland: Honor the flames of Outlands.
The Fires of Azeroth: Complete the Flame Keeper of Eastern Kingdoms, Kalimdor and Outlands achievements.
Extinguishing Eastern Kingdoms: Desecrate the Alliance's (Or Horde's) bonfires on Eastern Kingdoms.
Extinguishing Kalimdor: Desecrate the Alliance's (Or Horde's) bonfires on Kalimdor.
Extinguishing Outland: Desecrate the Alliance's (Or Horde's) bonfires on Outland.
Torch Juggler: Juggle 40 torches in 15 seconds while in Dalaran. You will need to collect at least 10 Juggling Torches. Once you have 10 of these torches head somewhere in Dalaran and bind the torches to a key binding. Say 1. When you hit 1 a target circle will appear on your mouse, move it over you and left click. Then spam 1-left click until you get the achievement.