The Unyielding Shields is the Calphade Castle assault route. Cassius has his own Bosses page, so this page focuses on reaching him cleanly.
Video Reference
Assault Route
Advance with allies through the castle pressure and avoid unnecessary side fights that drain supplies.
Before the Boss
The final route narrows into a traitor confrontation. Heal and reset before pushing into the last arena.
Quest Result
The route ends with Cassius defeated and the Calphade beacon lit.
Quick Tips
- Clear ranged soldiers before dueling elites.
- Save emergency food for the final third of the route.