Here’s how it works. Diablo 4's newest boss summoning item, Igneous Core, is your ticket to the Vault of the Loom and its boss: the Echo of Malphas. The robotic demon drops powerful loot for you ...

The Echo of Malphas in Diablo 4 is a more powerful version of the boss you will encounter during the Season 3 campaign. Here's how to find him.