|Effects||Effective damage against Dragon foes; Adds (Magic × 0.3) to Might.|
|Users||Wielders of the Crest of Flames|
|Notes||Exclusive to Sword of the Creator|
|Effects|| Boosts damage by 20% of foe's Atk.|
If in combat against a dragon foe or beast foe, boosts damage by 40% instead of 20%.
Byleth's Final Smash is Progenitor God Ruptured Heaven. Byleth uses the Sword of the Creator to slash a small area in front of them. Sothis appears in the background and grants Byleth additional power as they perform Ruptured Heaven on the opponents hit by the initial slash.