also confirming this just did both within 1 min and got the achievement also yay lesser challenger of the call done finally
Trying to get this achievement for other guildies.. I got my done, but can't seem to repeat it. went in 1 warrior, 1 cleric, 1 wizard. no merc at all, everyone stacked up on top of eachother, killed bone crusher first, nightmare second, didn't touch the add at all until both golem were dead. all 3 of us were stacked on top of eachother and never moved. no swarm pet, no warrior ability that make hem spawn a doppelganger... did not get the achievement. it's really annoying.
did this twice no problem and even with a couple swam pets thrown in. the achievement descriptions appear to be reversed as someone pointed out. so kill both within a minute of each other grants the no deaths in cloud achievement, and having no deaths grants the kill within 1 minute achievement.
