Be warned of this spoiler coming right at you. Though Blizzard assured us of these new achievements for Ulduar, you may be surprised at how long and hilarious the list could get. Here is a complete list of Ulduar achievements added to the 3.1 PTR.

Don’t panic when you notice that many of then numbers [...]

Heads up! Check out the schedule of bosses to be tested in Ulduar on the 3.1 PTR this week.

for the North American realms:
• Tonight, Tuesday 3/3, starting now: Flame Leviathan, the (in-)famous vehicle boss. Only the 10-man version should be tested, as the 25-man one is “not properly tuned.”
• Wednesday, 3/4, [...]