Kruk's Volcano Key is a Legends of Idleon item: dropped by 4 monsters, quest reward. Hold down to add these Plateau Boss Keys to your account.

Kruk's Volcano Key | Idleon Toolbox

Hold down to add these Plateau Boss Keys to your account.

Kruk's_Volcano_Key

Hold down to gain Class EXP. The amount you gain is based on your Class LV.

Holy_Pearl

Hold down to gain 40% EXP in the current skill you're doing! If you're in a town, you will gain EXP in the town skill. Only works on skills below level 50. IMPORTANT: This cannot be used for skills in World 5 or beyond.

Divinity_Pearl

Domeo_Magmus

Biggole_Mole

Crawler

Tremor_Wurm

Defeat Biggole Moles to acquire Boss Keys. AFK kills count.

Establishing_Order_among_Molekind

Defeat Crawlers within the cave to get more Boss Keys. AFK kills count.