Theory and Practice

but a marathon-sized map presents a special challenge: first, create a Guildmaster and give him Grand Death + Death Grip.

That's a bit much. ))) It takes at least 45 skill points. )))
There's a special major skill for Death Grip that allows you to cast it without Grand Magic of Death. It sometimes appears on maps. Many players rely on it in PS (presumably referring to a specific map or scenario).