Ichor

Description
Medicine men and herbalists tend to pay well for the ichors of exotic and dangerous species killed in the wilds, but it has other, hidden properties. In Stygia, ichor is mixed with fibers and used to harden stone under very high heat, adding a glaze to the stone that makes it impervious to normal weapons.

Source
Ichor can be harvested from the following creatures:

1 Item is not consumed!

Uses
Wundsekret pt-br:Icor