People in combat obeyed instincts. The chase instinct was overwhelmingly powerful. In the School’s wake came the Flock, spilling out into the open. The only member of the Blue Herons who wasn’t in a retaliatory frenzy was Lan Lu himself, recognizable at a distance because his stick was a sort of cobalt blue with golden tips. Other members of the Flock had red or black ones according to seniority.