https://wiki.project1999.com/Necroma...kullcap_Quests - Decent Necromancer starting skullcap - takes a bit of effort to get, but is a fun quest for a necro. Fun to do quests in Kunark like this.
https://wiki.project1999.com/The_Skull_of_Torture - Very easy quest to do in Kurn's tower. Hard part is finding the skeletal cook when he's up. He's in the basement and non-KoS and you just turn a Glowing Skull into him for reward.
https://wiki.project1999.com/Raw_Silk_Armor_Set - As others have said, Tailoring is very easy for Iksar to level because of all the spiders in field of bone. It's very easy to make a set of Raw Silk for iksar necro.
Save up your plat for spells (the most powerful necro Armor is fear + snare + lifetap)
Shopping List for EC Tunnel:
1) Research Spells if you can't make them yourself.
2)
https://wiki.project1999.com/Harvester - INT + See Invis + Awesome Look
3) and you can definitely find some
https://wiki.project1999.com/Loam_Encrusted_Armor_Set on the cheap (Robe isn't cheap - Pants are a few hundred plat)