When Diablo 4 introduced the Warlock class alongside its Lord of Hatred expansion, the new class failed to match the power level of the existing roster and other newly added classes. Warlocks were hampered by underwhelming damage output and restrictive combat mechanics that forced players to remain stationary whilst casting, creating a clunky experience at odds with the game's fast-paced action design. Meanwhile, competing classes benefited from enhanced skill trees that allowed them to perform significantly better.

Developer Blizzard recognised the class's shortcomings and is planning to address Warlocks' viability in the next seasonal update. The upcoming changes suggest the studio intends to bring Warlocks into competitive standing with the rest of the class roster, giving players a more compelling reason to adopt the previously underwhelming hero option.