Scarab armor set that buffs thorns damage and adds it to melee and ranged. Which is stronger than it sounds. 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. https://o-aprendiz10864.creacionblog.com/29730741/secrets-core-keeper-gameplay-top