Can Brimstone Carving be bought on the auction house?

No. It binds when picked up, so it is earned as a drop, quest reward, or vendor purchase and cannot be traded or listed.

How much does Brimstone Carving cost on the auction house?

No auction house scans for Normal Horde yet. The price appears here after the first scan from the AHledger addon.

No. The Forever beta keeps the same item level, requirements, and vendor prices as Classic Era.

Uncommon quest · item level 1 · requires 1 · id 213583

Brimstone Carving is an uncommon quest item in World of Warcraft: Forever. It binds when picked up and is unique. It is usable by Warlock only.

The item reads: "It appears the previous owner played with fire one too few times."

Computed from the Forever beta client's item tables, the same way the game builds the tooltip. Beta values can change before launch.

What is Brimstone Carving?: Brimstone Carving is an uncommon quest item in World of Warcraft: Forever. It binds when picked up and is unique.
Can Brimstone Carving be bought on the auction house?: No. It binds when picked up, so it is earned as a drop, quest reward, or vendor purchase and cannot be traded or listed.
How much does Brimstone Carving cost on the auction house?: No auction house scans for Normal Horde yet. The price appears here after the first scan from the AHledger addon.
Is Brimstone Carving different in Forever than in Classic Era?: No. The Forever beta keeps the same item level, requirements, and vendor prices as Classic Era.