[Akiyoshi]

Signum VS. Archer will be a pretty kickass fight as long as Archer did not cast his UBW pocket dimension. Archer can summon a myriad of swords and is a good swordsman with all of them but Signum's crippling overspecialization with Laevatein comes in handy against this because as long as Signum is holding her sword she will be ready to face any kind of fighter.

The problems for Signum will came when Archer is in his playfield where he's able to summon over thousands of blades as projectiles fron ANY direction AT THE SAME TIME! Just throw a barrage of Gae Bolg+Excalibur at Signum and she will be offed in an instant. The same goes for almost the rest of the Nanoha cast, Fate is the one with the bigger chances of surviving the ordeal.