[ghoul31]

You can basically enslave the entire enemies army.

In a game I was in, on turn 23, the guy had 40 astral mages casting enslave on me. I had 50 guys, with 14 magic resist, but they all were enslaved before I could touch him.

And soul slay is even easier to get. Its only a level 5 spell.


And then there is control, to enslave the mindless units.

And of course, master enslave, where one guy can enslave an entire army by himself with one spell.