In Diablo 4, facing Lair Bosses offers great rewards, but you need specific boss materials to open their loot chests after winning the fight. There are 5 Initiate-level Lair Bosses, 3 Greater ones, and the toughest one known as Belial, Lord of Lies Diablo 4 Items.

Each Lair Boss drops particular materials. For example, to open Girgoire’s chest, you’ll need Living Steel, while the Beast in the Ice requires Distilled Fear. Belial requires a special item called Betrayer’s Husk.

To farm these materials effectively, a useful strategy begins with collecting Undercity Tributes from Helltides. You can gather them by defeating Blood Maidens and opening Helltide chests. It’s especially useful to focus on Tributes of Titans, which boost the amount of boss materials you gain in your next runs.

Using Baneful Hearts to summon Blood Maidens during Helltides increases your chance of getting more Tributes. Also, try to complete “Whispers in Helltides” quests for a chance at an additional Whisper Cache containing Tributes.

Once you've gathered enough Tributes of Titans, the best way to continue farming is to run the Kurast Undercity dungeon. Spending Tributes during these runs helps raise the quantity of boss materials you receive after beating the bosses inside.

If you don't have the Vessel of Hatred DLC, you can focus on farming Blood Maidens endlessly using Baneful Hearts. When you max out materials for an Initiate Lair Boss, move on to farming Greater Lair Boss materials and prepare for seconds against Belial’s incursions to collect Betrayer’s Husks.

This farming method will save you time and help you acquire the materials you need for the best loot in Diablo 4 buy Diablo 4 gold.