I actually worked it out, and based on the length of time of final-expansion raid tiers (ICC, DS, SoO)
One Raid Tier = 0.5 of the content of a new expansion.
A copy of Tevruden's blog because I don't Trust Like that anymore.
I actually worked it out, and based on the length of time of final-expansion raid tiers (ICC, DS, SoO)
One Raid Tier = 0.5 of the content of a new expansion.