Need help deciding what to duo with my friend.

[Slave]

Iksar monks have a 144% experience penalty instead of the Human monk 120% penalty.
They attack slightly slower with fists.
They have better AC and regeneration.
Faction and starting location is generally not a big issue to experienced players.
Iksars are generally worth the extra penalties, especially in a duo, especially in the Monk and Necromancer departments.