Travel to the Undercity and speak with Varimathras.
The order has come down, [class]. Varimathras himself has requested that I send my most 'capable' agents back to the Undercity for a highly sensitive tactical operation.
Unfortunately, my most capable agents were killed over three years ago. In their stead I have a collection of brain dead riff-raff.
<Nathanos stares coldly at you.>
Travel to the Undercity at once and report to Varimathras. Do not embarrass me, [class]!