Cavern Trekkers is a Legends of Idleon item: recipe, used in 1 recipe.

Cavern Trekkers | Idleon Toolbox

Cavern_Trekkers

Smelt down 2 Ores into 1 Bar at the Forge. Smelting will take 15 per Bar using Forge Slot 1.

Copper_Ore

Rough_Rockers

Gold_Boots

Smelt down 4 Ores into 1 Bar at the Forge. Smelting will take 30 per Bar using Forge Slot 1.

Iron_Ore

The full filtration process also involves filtering the diamonds through a vat of diamonds before using those filtered diamonds to filter the water! If only they'd filter their filtration process through diamonds so this item description wouldn't be so long.