The Horde 12-25 (Barrens + Stonetalon Mountains) guide has been rewritten and revamped.  In addition, there has been numerous tweaks to the speedrun route to make things faster and easier to follow.  Also, in case you haven't noticed I am now adding about 40% more info per step and redoing all the images.  Unlike with my previous vanilla guides, I am now giving a brief explanation of where to go and what to do with each step along with any other helpful tips.
Auto looting a mob will increase leveling speed for the expansion. to enable it = Esc, Interface, Controls, Enable Auto Loot. I'm including this because sometimes the simple things are missed. I, sadly, went 3/4 of the way through WoD not knowing that hitting the space bar for my mission tables is much MUCH faster than waiting it out. (i never claimed to be smart OKAY) =P
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You can have a maximum of 25 quests on 1 toon. Starting fresh (0/25 quests) on a toon will be beneficial at the start of a new expansion. ahhhh a fresh start. On the flip side, stocking up with 25 completed quests, ready to turn in, might be beneficial too. As soon as BFA launches, turn them all in for a great small boost to EXP before you even step foot into the new land.
World of Warcraft is an MMORPG title released by Blizzard Entertainment in 2004. The game is another franchise of the popular Warcraft series which has received numerous awards. It is set in a fantasy world of Azeroth where gnomes, dwarves, elves, humans, orcs, undead and other monsters roam the virtual world. Players choose a race, class and profession to play and advance through the game. The game offers both PvE where players can play solo as well as PvP play which involves other players. There are 5 expansions to date, as follows: The Burning Crusade, released in Jan 2007, Wrath of the Lich King, released in Nov 2008, Cataclysm, released in Dec 2010, Mists of Pandaria, released in Sep 2012, and Warlords of Draenor, released in Nov 2014.
One of the most profitable ways to farm in patch 5.4 is to buy Potions of Luck from the auction house and head to the Vale of Eternal Blossoms. In the northwestern corner, specifically the Ruins of Guo-Lai and the Guo-Lai Hills, there's tons of mobs that can be aggroed in huge groups and AOE'd down. The Potion of Luck will increase your chances of finding loot on the monsters, and these mobs in particular drop good crafting mats, Skycrystals, motes of harmony, and Gou-Lai keys. Many guides tout this as the greatest way to farm gold; depending on your ilvl and clear time, you can earn anywhere from 2.5-7.5k an hour.
Something to keep in mind as well is that this will make enchanting materials more valuable, since it is likely most players will now simply scrap their boe greens instead of getting them disenchanted. Also redundant dungeon/raid gear can be scrapped rather than traded to the (guild) enchanter in the run. Less stuff gets disenchanted, meaning there will be less ecnhanting materials, meaning their value will rise. All the more reason to DE rather than scrap as an ecnhanter.
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