pyrotechnic

Of or relating to fireworks.

Of or relating to the use of fire in chemistry or metallurgy.

Resembling fireworks.

They had spent much of June and July walking about the plateau near Poronin and discussing Kuba’s pyrotechnic schemes for making money. Possibly because of his bourgeois origins, Hanecki had a remarkable financial flair, and extraordinary grasp of money matters—a quality as valuable as it was rare in a revolutionary.

[T]he Weston clan, whose dysfunctions are pyrotechnic in their scale and intensity.