Riverglades Marsh Gas in WoW Forever (consumable)

Effect

What it does when used, with the beta client’s values.

Use: Reduces movement speed by 50% and increases Fire damage taken by all targets in a 5 yard radius by 15 for 15 sec. (15 sec Cooldown)

This item does not exist in Classic Era: it shows up for the first time in the WoW Forever beta client.

The client has no loot or vendor tables: only what the item itself says and which recipe makes it are known.

Same slot and type, with a close item level.

Data from the WoW Forever beta client (build 1.60.1.70205), compared with Classic Era (1.15.9.69722).