Do you want to get the most out of your Warlock in PvE? BiS Gear (best in slot) is the list of the best items and enchantments you can get for your Warlock SM Ruin for example.
Thanks to Classic WoW community and many contributors, you can check here the best gear for your Warlock during all the phases of WoW Classic.
Pre-Raid gear allows you to have the list of the best items you can loot in dungeons in order to be ready to raid.
Phase 2 to 6 gear is the list of the best piece of gear you can get for your Warlock, that you will find in raids like Molten Core, Onyxia, The Black Wing Lair, Zul'Gurub, AQ40 and Naxxramas.
Special thanks to Pingaan for this amazing work and for Relapse from wowclassicbis.com