Solution
from clearing:
( 4xw from church )
n;n;n;e;e;d;e;ne;ne;n;n;ne;ne;n;n;w;n;w;n;nw;w;4d;4n - u will see
u must go through ropebridge,w;n;u - u are at entrance of temple ...
kill harpy, get key,unlock door, enter, n;n;e;d;n;kill imp;take all
from corpse.
BTW: there are some ghouls around, but they arent very hard ...
n;kill zombie;get all;unlock door;n;n;move curtain;get all;s;sit
throne; get scepter;4 x s;d;3 x n;pull rope;search east wall (till u
find a moveable stone);move stone;crawl east - north is Baal-Rog ...
u cant runaway from BL's room (to leave type - enter circle ...)
u will appear in room 's' of him ...
so u can bring fangs and darts there ...
OK, when u killed it - get battleaxe from corpse and the statuette
u have find before (from imp)
go to temple's entrance (teleport out), enter, and e (or n;e) is a
room with 'slot' in description, put statuette in slot, e,
quench hellfire - quest done ...