Learned class ability.
Reduces the unit's chance of getting knocked back by attacks.
Where to Obtain
Backbone can be obtained via the following sources.
- Soldier mastery level 1 for Annette, Ashe, Bernadetta, Byleth, Caspar, Claude, Constance, Dimitri, Edelgard, Felix, Ferdinand, Hapi, Ignatz, Ingrid, Jeritza, Linhardt, Lysithea, Marianne, Monica, Petra, Raphael, Shez, Yuri