not even a spoiler anymore

At the end of Log Horizon S2E1, Shiroe spoke in inner monologue, "I was too naïve." Suddenly, he and Akatsuki turned out to have...died? What the actual heck? What was it that caused them to die? Why just Shiroe and Akatsuki? ...Stay tuned to find out, I guess? Pff, cliffhangers.