Skull of the Corrupted Shaman at his sigil in a throne room arena. This is found in The Forgotten Ruins at a range of 350 tiles from The Core. Malugaz is an extremely tough boss who will probably still be a challenge while using equipment from the outer biomes. https://comofazerwing5muonline97531.angelinsblog.com/29348715/o-fato-sobre-core-keeper-gameplay-que-ninguém-está-sugerindo