Gundabad Slag is essential for crafting various Durin’s weapons and armor in Lord of the Rings: Return to Moria. First of all, players can get this rare material by killing Orcs and then significantly increase the chances of getting this resource by defeating one of the bosses. This guide will be useful for gamers who have encountered a problem finding Gundabad Slag and those who already know its location, but farming this resource in Return to Moria is taking too much time for them.