[Nyri]

The worst case scenario is an dual wield warrior with deathwish active.
You don't have the succubus out.
Lets assume he is immune to fear.

Well, as a Gnome Affliction Warlock this is really easy. ;)
With the Insignia/Escape Artist Combo you can remove Harmstring/Piercing Howl/Charge Stun Effect at least two times. After doing this put an amplified CoEx on him and run. Normally this is the GG already ;).
If not: Death Coil does the rest.