There is a hidden mini-quest in Uldir to kill 3 bosses per week - on completion, this empowers your Reorigination trait found in Laser Matrix and Archive of the Titan raid Azerite
Uldir Raid Boss Guides for Battle for Azeroth - News - Icy Veins
World of Warcraft - Battle for Azeroth review - GAMING TREND
Uldir Raid Boss Guides for Battle for Azeroth - News - Icy Veins
Day 1 of Heroic Uldir Damage Rankings post class balancing patch. : r/wow