I haven't done this quest or played a cleric on P99, but on my eventual dwarf alt I plan on farming:
https://wiki.project1999.com/Cleaner_Clockwork
https://wiki.project1999.com/Knight_Card_Quest
Seems like a good way to gain a set of bronze/blacked iron and spell plat.
For a decent off-hand that you could quest pretty early on:
https://wiki.project1999.com/Testament_of_Vanear_Quest
Two of these rings would be a nice boost early on and not too expensive:
https://wiki.project1999.com/Moonstone_Ring