Diablo 4: How to Buy Malignant Hearts and the Best Ways to Get Them buy diablo 4 items ’s Season of the Malignant introduces an exciting new mechanic: Malignant Hearts. These powerful items fundamentally shift gameplay by offering unique bonuses when socketed into your gear. If you're eager to get your hands on them — and wondering how to buy Malignant Hearts or farm them efficiently — this guide will walk you through everything you need...