Kill It With Ice: A nice flask of liquid gas (a “justheart”, in the lingo, because justice’s heart is always cold) is another classic when it comes to nanotech blooms, especially if you want to preserve something for analysis afterwards.

There are some spectacular cold-gas weapons and Abnormal Ammo out there (the “cryoburn shells”) – a little temperamental for regular deployment, but delightfully effective when you can use them and they work.