[Executor]

So far I have absolutely never successfully used seduction with national units, or in game at all on that matter. I don't know weather it's just my bad luck but about 9/10 times I failed even with indie commanders.( Usually try it with Arco)
Succubus is supposed to have a bigger chance to do it, but I think it's a waste of blood slaves, she's very bad 1 on 1, there are cheaper ways to get commanders, charm, hellbind hearth, enslave mind.