Find Murderlin's Temple

Murderlin's Temple is located near the fast travel station in Flamerock Refuge, it is where the new circle of slaughter is located, and where you will find Murderlin during the quest Find Murderlin's Temple. After speaking with him, he will open up his circle of slaughter, which consists of 5 rounds, each becoming significantly more difficult than the last, and finally ending in a replayable "Badass" round.