The Tavern

With the removal of corpse sacrifice with other gods, there is no reason to require Beogh followers to walk over to every orc corpse to sacrifice it. Beogh does not even allow any use of orc corpses anyway, so unlike with Okawaru and others, you would not be selective about what you want to sacrifice and what you want to eat/animate. Two solutions preserve the corpse-blessing flavor without making the player run from corpse to corpse:
1) Pressing p sacrifices all orc corpses in LOS.
2) Orc corpses are consumed by Beogh the moment they generate, granting piety. Orc chunks can still be produced via disintegration, orb of destruction, etc.

P.S. There can even be a tactical use for corpse sacrifice; for example, every orc corpse heals all orcs by a little (1d5? 1dHD?) HP.

Option 2 is kind of awkward flavor-wise is that it effectively just means Beogh grants bonus piety for killing orcs, which is kind of the opposite of what you'd expect. Granted, that's basically true with corpse sacrifices already, I just feel like the flavor becomes more awkward this way.

Yep, you can lead your orcs on a suicide mission and get piety for it, that's how it works now. all that option 2 does is protect orc corpses from accidental desecration, basically.

My semi-plan was just removing Beogh corpse sacrifice (maybe increasing the piety from killing priests to compensate, since Orc has lots of both orc corpses and hostiles priests) and giving some kind of late-unlocking (maybe only at 6*?) high-piety-cost invocation to resurrect the corpse of a dead follower, keeping with the messiah theme and also letting you keep around allies that you get attached to for a long time.