Atomos - Proving just how many people haven't done anything other than zerg their way to victory in 99% of ARR. I mean...stand on a button.

Stand.
On.
A.
Button.

Kill Adds.
DPS Atomos.

Yet it seems to be the most impossible boss fight to ever be conceived by a Game Developer with some people. Of course people will be grumps because it's a boss fight where the main boss just stares at you most of the time and it's literally: Triangle Block goes into Triangle hole - Good, gold star for you!" concept.