Halo Wars 2: Serina Leader Pack (2017)

Release Date: July 18, 2017
Developer: 343 Industries

The Serina Leader Pack brings back old-school AI with powers and units including: • New Cryo-based units and abilities to slow or freeze your enemies • Combo attacks to shatter frozen targets with proper timing and execution • Ice Barriers let you divide (and conquer) the battlefield as you wish • The Glacial Storm ultimate ability forces opponents to choose between retreat or a frozen death