I play
DE/Harlies frequently, often with
CWE thrown in. I've even written a tactical guide series for such armies, which you can find
here.
The Harlies have Fear universally, and a lot of
LD dependent Attacks (Phantasmancy powers, Hallucinogen Grenade Launcer, Death is Not Enough).
DE, Covens in particular, have leadership negatives that can help with that. They also have better transports, access to webway portals, and cheaper expendable troops.