Slime Sludge is a Legends of Idleon item: dropped by 2 monsters, used in 5 recipes, quest reward. Ewww, slimey.

Slime Sludge | Idleon Toolbox

Slime_Sludge

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SANIC_TOOLS

Birch_Longbow

Dooble_Goopi

Goo_Galoshes

Quarterstaff

There's something disturbing about how these beans have bones. Not as disturbing as how they also have eyeballs and walk around, but still disturbing anyway.

Bean_Slices

Storage_Chest_1

''Theres a snake in me boots! Oh wait no, my boots are the snake!'' - Someone who wears snakeskin boots

Snake_Skin

Small_Food_Pouch

Hold down on this item to play Darts! This way you can play from ANY map, even while Auto mode is on!

Darts

Questin_Stamp

Steel_Axe

Glunko_The_Massive

Slime

Get 15 Snake Skin, 5 Slime Sludge, and 5 Bean Slices!

Mushroom_Munchies

Get them 50 slime sludge. They're like lv. 3, they'll accept.

Wiki

Slime Sludge

Dropped by

Used in crafting

Required by quest

Used in upgrades