2011-04-26, 03:21 AM
Because her summons don't do enough damage to be fatal. Defending your argument that iframes are not useful due to less DPS with the word "everyone" doesn't matter because "everyone" is not a word you use in reference to a level 190 end game boss. The empress herself has several attacks that are entirely fatal including her fire birds that do 22k damage. Watching the video, this DB clearly doesn't have that much and spamming vampire or relying on avoidability would not save him from taking that damage. Invincibility frames however, would. (by the way, the chain in chains of hell has invincibility frames and a cast time less than or equal to phantom blow. A well timed one aimed AWAY from her could very easily avoid said fire birds while returning to your DPS with very little impact over time.)
@ above: All NLs have drain. All DBs will have CoH. Using drain in pot cooldown is required; any non-retarded NL will tell you that. CoH is not. The use of CoH strategically can very easily separate the skilled DBs from the mindless however, and will contribute to a successful run, so if you're talking about empress, success is all anyone in GMS cares about.
@ above: All NLs have drain. All DBs will have CoH. Using drain in pot cooldown is required; any non-retarded NL will tell you that. CoH is not. The use of CoH strategically can very easily separate the skilled DBs from the mindless however, and will contribute to a successful run, so if you're talking about empress, success is all anyone in GMS cares about.