I have a problem with the Devourer of Souls quest

Hi,

I have a problem with the Devourer of Souls quest. I'm currently level 60, warlock orc and I can't do the Summon Succubus Quest (Level 20). I can't start the quest anywhere, I've checked with every npc for the orc and undead paths. I've gone to the npcs from these quest lines one by one and there's nothing :(

I took action based on: https://www.wowhead.com/classic/guid...cks-quests-orc

I've done quests for:

Summon Voidwalker Quest (Level 10)
Summon Felhunter Quest (Level 30)

Yesterday I spent half a day looking for a solution, I'm begging for help in this matter.