I remember, back when I last played MP on TSW (circa 2013-2014?), Bowdruids were apparently the hottest thing on the block. I don't remember exactly what version of MXL it was, but I remember watching a video showcasing the build in the various ubers. Like, 1 out of three players in the lobby at the time were bowdruids.
Other than that, I remember pouncesins being polarizingly OP back in the day.
Does anyone else remember the cheesy immortal barbarian build from Median 2008? Conquest, CtC Spike Nova when struck, and CtC Unholy Armor when struck? Just tap something with Conquest, walk into mobs, and stand there while they exploded from crushing blow and you couldn't take damage. Judgesins, I also remember them being quite powerful.
Reminiscing is fun. :3