Wild Cat, having been made the instrument for betraying Osceola and other friends, felt great indignation at what he regarded as the perfidy practiced upon him and his brethren, and determined to escape from his imprisonment so soon as an opportunity should offer. But he was imprisoned in the Castle of San Augustine, whose gray walls, lofty turrets, battlements and Catholic chapel, must have presented to the young warrior a spectacle in striking contrast with the rude huts in which he was accustomed to lodge, in the interior of the Territory. We prefer letting him tell the story of his escape, which we copy from the works of one who was then serving in our army.[103] Said Wild Cat: "We were in a small room, eighteen or twenty feet square. All the light admitted was through a hole (embrasure) about eighteen feet from the floor. Through this we must effect our escape, or remain and die with sickness. A sentinel was constantly posted at the door. As we looked at it from our bed, we thought it small, but believed that, could we get our heads through, we should have no further or serious difficulty. To reach the hole was the first object. In order to effect this, we from time to time cut up the forage bags allowed us to sleep on, and made them into ropes. The hole I could not reach when upon the shoulder of my companion; but, while standing upon his shoulder, I worked a knife into a crevice of the stone-work as far as I could reach, and upon this I raised myself to the aperture, when I found that, with some reduction of person, I could get through. In order to reduce ourselves as much as possible, we took medicine five days. Under the pretext of being very sick, we were permitted to obtain the roots we required. For some weeks we watched the moon, in order that, on the night of our attempt, it should be as dark as possible. At the proper time we commenced the medicine, calculating on the entire disappearance of the moon."