Today's the Greatest Accomplishment. It's more of a meta topic, than an RP topic. As always, my accomplishments in game are defined by raiding.
Downing Firefighter was the first brutal welcome to raiding moment. It became the moment that calcified my group into progression raiders, rather than people who give up after the first 200 wipes. To this day I still hear Mimiron screaming "Medic" when I see someone die on my raid frames.