Collective Soul
Collective Soul is a quest for level 60. It is step 22 of 33 in the Loyal to the Primus storyline. It rewards 1,000 experience and money.
Description
You know conflict as well as any soldier in Maldraxxus, Maw Walker. But we do not fight alone.
There is great wisdom in leaning on the strengths of your allies. That is the Maldraxxi way.
Speak to Plague Deviser Marileth. He will show you how to soulbind and best reap its benefits.