I get that the order of the adds determines what buff the boss gets, but what is each one? Do the adds use the same buffs, or are they skills? Can you stun the adds, Like with Shout?
Some more questions that may help others like myself:
Is the throw in the air a close range AoE?
The adds from the dark rift spell thingy a big deal?
Better to stay in a group, spread out?
Boss seems to use skills depending on what buff you end with. According to Soul's comment on the Bela guide, Green... you die. Blue: slows your movement speed down by like 90%. Yellow is a DoT.
Adds from dark rift isn't that huge of a deal on easy. But they can be annoying.
Boss fight was a lot cleaner when everyone was stacked. It degenerated into absolute chaos when everyone was running around like angry cats...