Diablo 4 rewards dedicated players with powerful legendary items and wealth through repeatable endgame challenges. This guide covers obtaining the coveted crafting material Black River through focused farming, along with tips for accumulating gold and gear through other activities.

Obtaining Black River Through Boss Defeats

Black River is a key material used to summon and craft certain legendary Diablo 4 items. It only drops from a specific boss – the Echo of Bovineius, Lord of the Bovine Horde. Reaching at least World Tier 3 allows challenging this foe.

To initiate the battle, gather Bovine Material Parts from sources like World Bosses and Helltide Events. Presenting the required items at Bovineius’ summoning altar summons the opportunity to loot Black River. Multiple boss kills improve the drop chance.

Maximizing Legendary Rewards and Gold Acquisition

With patience, dedicated farming of Echo of Bovineius offers the best odds of obtaining Black River. Its crafting properties unlock powerful legendary D4 items to strengthen builds. Improving gear through rare drops and the auction house enhances the ability to face tougher foes.

Alongside boss runs, focus on group-oriented endgame pursuits rewarding gold like Nightmare Dungeons. Craft valuable D4 items and sell leftovers. Joining a clan multiplies magic find bonuses from well-geared teammates’ presence too.

Additional Profitable Activities for Wealth and Legendaries

Regular Helltide Event participation provides income and potential D4 items upon completion. Professions offer crafted item opportunities for profit. Trading valuable collectibles and extra legendaries on the auction house represents another profitable outlet.

Through diligent farming of Echo of Bovineius and employing varied endgame strategies, dedicated players can gather prized crafting materials like Black River along with valuable legendary D4 items and wealth to fully refine their builds. Diablo 4 rewards those engaging its most challenging repeatable content.