In Path of Exile 3.26, getting all four Voidstones is one of the biggest milestones for pushing your Atlas all the way to its full potential. Each Voidstone raises the tier of every map on your Atlas, and once you have all four, you're essentially running everything at the highest tier possible PoE 1 Currency. That also opens the door to Tier 17 maps, which are some of the toughest but also the...