The Chosen Five
Lursa & B'Etor Do'Uras
Twin Drow Emissaries
These Twin Drow Emissaries from the Underdark are clearly influencing the events here in the Trollmaw. But to what purpose remains to be seen.
They succeeded. Fortunately, the Guardians slipped into the Feywild and used the Master Clock of Time to reset these events. Time travel isn’t without it’s drawbacks; however, Lursa and B’Etor are alive again and are still trying to prepare for the ritual somewhere below Thunderspire Mountain.