I joined World of Warcraft during Cataclysm so I don't have a say on Wrath and under, but I felt that my greatest moment is when I found my first raiding guild during Warlords of Draenor (Surprisingly). I finally felt a sense of comfort during my raiding shenanigans as I was finally doing so with people who share my interests and sense of humor. I was the warlock of the group, and since I started playing one it became my all-time favourite class to play, so much that I didn't focus on any other class near as much.
With this in mind what really gets me excited about legion is how the Warloc