Valenslime is a Legends of Idleon monster: 6 drops.

Valenslime | Idleon Toolbox

Valenslime

Increases Weapon Power by 5. 10% chance to be consumed every time you defeat a monster. Must be equipped in a Food Slot to give its bonus.

Increases Exp Gain by 30% 1% chance to be consumed every time you defeat a monster. Must be equipped in a Food Slot to give its bonus.

Increases Move Spd by 8%. 1% chance to be consumed every 10 meters walked. Must be equipped in a Food Slot to give its bonus.

Auto-Used when your health goes below 80%. Restores 1000 HP. Has a 12 second Cooldown.