World of Warcraft’s 6.2 patch features a series of seven different weekend events, two of which will make timewalking dungeons available to characters at level 71 (for Outland dungeons) and 81 (Northrend dungeons).
Timewalking scales your power and gear “down to a fraction of what they normally are,” Blizzard says in its announcement post, so it’s best to come prepared. One way to do that is to study the tips, the boss info, and the dungeon map for Outland’s Black Morass that is linked below.
Source: Timewalking highlight