Human: Make a detailed written description of a gloomy scene outside the wilderness woods with oak, rusted remains, and a sally-port. Assistant: 
Thorny underbrush pervades the area, scratching at every passerby and slowing every pace. Propped unceremoniously against a withered and twisted oak tree stands the rusted remains of an old sally-port, once used as a rapid means of both strike and retreat for the defenders.