Shadow Priest Best in Slot (BiS) Gear List - WoW Classic P4
Class
Spec
Phase
Gear
Slot
Source

The Hexxer's Cover

head
Zul'Gurub
Jin'do the Hexxer

Choker of the Fire Lord
neck
Molten Core
Ragnaros (19%)

Mantle of the Blackwing Cabal

shoulder
Blackwing Lair
Razoregore the Untamed

Cloak of Consumption

back
Zul'Gurub
Hakkar

Bloodvine Vest

chest
Tailoring
BoP Pattern
Bracers of Arcane Accuracy
Bracer - Greater Intellect
wrist
Blackwing Lair
Broodlord Lashlayer
Ebony Flame Gloves
hands
Blackwing Lair
Ebonroc
Firemaw's Clutch
waist
Blackwing Lair
Firemaw
Bloodvine Leggings
Arcanum of Focus
legs
Tailoring
BoP Pattern
Bloodvine Boots
Boots - Minor Speed
feet
Tailoring
BoP Pattern
Band of Dark Dominion
finger 1
Blackwing Lair
Trash Drop
Ring of Spell Power
finger 2
Molten Core
Gehennas, Sulfuron, Lucifron, Shazzrah (4%)
Neltharion's Tear
trinket 1
Blackwing Lair
Nefarian
Talisman of Ephemeral Power
trinket 2
Molten Core
Magmadar, Garr, Baron Geddon, Golemagg (5%)
Lok'amir il Romathis
Weapon - Spell Power
weapon
Blackwing Lair
Nefarian
Tome of Shadow Force
off hand
Reputation
Frostwolf Clan, Stormpike Guard - Exalted
Touch of Chaos
ranged
Zul'Gurub
Hakkar