Without an offhand, he loses half his attacks, which makes his actual unholy slightly less intimdiating.

With gag, he's not casting.

With sleepingdisarm, you can blackjack him until iron grip falls and then have some lowbie nearby to pick it up.

A binder can do alot against a powered AP to get him killed, moreso if the cavalry has a brain cell or two to let the binder tell them what to do.

...why aren't there more Fortress maran binders again? They'd score more kills in their massive gangs and cry of phoenix.