Ichor

How, exactly is ichor different from goo, you might ask? One has a smell in addition to the sticky, gloppy texture. No, I won't tell you which. You'll have to find out on your own.

Miscellaneous Item Autosell value: 66 Combat Usable

It takes some effort to fling the ichor at your opponent without getting much on yourself, but you manage. Splattered, your opponent does their best wicked witch "what a world!" impression, while taking 15 damage.