warpath

A course that leads to warfare or battle.

A hostile course or mood.

Among the American Indians, the path or route followed by a war like expedition; also, the military undertaking itself.

The route taken by a party of Indians going on a warlike expedition.

on a hostile expedition; hence, colloquially, about to attack a person or measure.

a course of action that leads to battle or hostility

hostile or belligerent mood

a course leading to warfare or battle