Storm of Light Imperial Swords of Conviction

Union Magic: Storm of Light Imperial Swords of Conviction (合体魔法『断罪光帝剣の嵐』) is a light and mirror-based Union Magic spell.

Description
The Light Magic user creates several large swords of light, while the Mirror Magic user multiple giant mirrors around a target. The swords are launched at the target and the mirrors reflect the swords back so that they hit the target multiple times.

The spell is strong enough to destroy a magically reinforced building.