Diablo Immortal Vendors and Merchants

Blacksmith
NPC functions: SALVAGE / UPGRADE / REFORGE / RANK TRANSFER
(Salvage items to gain Upgrade materials. Only rare and legendary items can be upgraded. Enchanted Dust can be obtained from salvaging Magic and Rare Equipment)


Reforge Stone Vendor
NPC functions: LEGENDARY / REFORGE STONES / PLATINUM / BUY
(Buy a specific Reforge Stone family. You can buy Reforge Stones from the Honor Merchant - Limited)


Essence Transfer Merchant
NPC functions: EXTRACT / INHERIT
(Essence can be extracted from any Legendary Item - will permanently destroy the item, the extracted Essence can be reapplied to multiple items)


Charms Craftman
NPC functions: SALVAGE / UPGRADE / EXTRACT / IMBUE
(Salvage Charms 1-4 to obtain Alchemical Powder - Alchemical Powder can be used to upgrade Charms. Upgrade, Extract or Imbue Charms)


Honor Merchant
NPC functions: GENERAL / IMMORTALS / LIMITED TIME
(Buy Legendary Gems, Legendary and Rare Crests, Normal Gems, Reforge Stones and Charm)


Crest Merchant
NPC functions: BUY
(Buy Legendary Gems, Crests)


Fading Ember Trader
NPC functions: BUY
(Buy Fading Ember, AST (obtained from Elder Rifts with Rare Crests)


Apprentice Jeweler
NPC functions: MANAGE / CRAFT
(Normal Gems, craft Legendary Gems with Runes and upgrade Gems)


Crystal Merchant
NPC functions: BUY
(Buy ECHO Crystal, used to upgrade Normal Gems above Rank 5)


Rarities & Antiquities (Random)
NPC functions: BUY
(Buy Mistery Items, Yellow and Legendary)