Carmine was charging Letrelle with trespassing. Trespassing was considered a serious infraction since territory is what supports a Master and his liege. A Master's flunkies would often be sent to steal resources like customers, business ideas, or human servants. That's why a Master had to request permission to enter another Master's territory, and many times it was granted but with stipulations.

To bring the complaint to the territory meant that there was an impending battle. ...