With Derdriu under Imperial control, the Leicester Alliance ceases to exist, and its remaining lords ally themselves with the Empire. The Black Eagle Strike Force, having now conquered all of eastern Fódlan, confidently moves to invade the Kingdom.
- 2/1: Facing the Kingdom
- 2/3: Hilda's Birthday
- 2/8: Hanneman's Birthday
- 2/8: Explore - Chapter 15 - Tempest of Swords and Shields
- 2/15: Explore - Chapter 15 - Tempest of Swords and Shields
- 2/20: Felix's Birthday
- 2/22: Explore - Chapter 15 - Tempest of Swords and Shields
- 2/28: Lysithea's Birthday
- 2/28: Mission Day
Following the Alliance's defeat, the Black Eagle Strike Force prepares to invade the Kingdom, but the Kingdom's new allies—the Knights of Seiros—begin to make an advance of their own.
After appearing in Ailell, the Valley of Torment, and following the border south, the Knights of Seiros openly march to recapture the monastery at Garreg Mach.
- Surprise Attack
Battle - Protecting Garreg Mach
Absorbing the Alliance brings the Empire one step closer to a unified Fódlan. The Black Eagle Strike Force returns to Garreg Mach to plan its invasion of the Kingdom, unaware of the enemy lurking in the shadows.