Nanoha is ambushed by Vita for her Linker Core.

Subaru Nakajima and Teana Lanster are taking a test to increase their rank from C to B. During the test, Nanoha, Fate, Hayate, and Rein observe their progress. Near the end of the test, Teana injures her ankle, but Subaru has a plan to complete the test in time.

The Sixth Mobile Division monitors, and provides security for, the Hotel Augusta, where works of art, including lost logia, are up for auction. Teams Stars and Lightning face gadget drones, and another summoner who has ties to Dr. Scaglietti.

Nanoha reaches Vivio, but Quattro taunts the two, and Vivio activates a rainbow shield, which Quattro calls the Saint's Armor, an extremely powerful shield. Meanwhile, the barrier around the building where Teana is fighting is broken, after Teana somehow managed to survive assaults from three Numbers, and she then planned to completely finish off the three Numbers. Subaru is losing her consciousness after a heavy attack from Ginga, but is recalled by Mach Caliber and some thoughts in her flashback. She then activates her full drive for the final duel.

The Final Limiter of the dangerous Blaster Mode of Raising Heart is released. The final battle between Nanoha and Vivio, with Quattro behind, will be finally decided.