From her vantage point up in the sky, the TSAB aerial ace could see the various people on the ground, separated from each other by waves and waves of zombies. So the least Nanoha could do was help them clear a path.

"Excelion Buster."

A magenta burst of energy erupted from Raising Heart in the form of a powerful beam that scythed through the air and the zombies alike, vaporizing undead flesh as long as she could sustain the power output, trailing a line of fire between the various pockets of resistance.