He fought through two years of the Revolutionary War, and he was thoroughly fitted to act as a guide for Crawford. After the battle, or rather the disorderly rout, he was one of those who was mired in the swamps. He left his horse there, and with a few others tried to make his way to Detroit. Twice the party escaped capture by hiding in the grass, as the Indians passed near them, but on the third morning they were ambushed; two were killed, one ran away, and the remaining three gave themselves up on the promise of good treatment. They were taken to Wapatimika, where Simon Kenton was to have been burned, and they soon proved how far the promises of the savages were to be trusted. The Indians knew Slover at once, and they bitterly reproached him with having come to betray his friends. At the council held to try him, James Girty urged them to put him to death for his treason. But Slover strongly defended himself, reminding the Indians that they had freely given him up, and had no longer any claim upon him. His words had such weight that the council put off its decision. In the meantime he was left with an old squaw, who hid him under a bear skin, and scolded off the messengers who came to bring him before a grand council of Shawnee, Delaware, Wyandot, Chippewa, and Mingo warriors. But shortly after, Girty came with forty braves and seized him. Slover was now stripped, and with his hands tied and his face painted black, he was taken to a village five miles off, where he was beaten as usual by the people, and then driven a little farther to another village, where he found everything made ready to burn him, as Crawford had been burned. He was tied to the stake, and the fire was lighted; an orator began to kindle the anger of the savages; but at the last moment a heavy shower of rain burst over the roofless council house where they had gathered to torture their captive, put out the fire, and drove them to a sheltered part of the lodge, where they consoled themselves as best they could by beating him till midnight, and promising him that he should be burned the next day. He was then carried to the blockhouse and left bound with two guards, who entertained themselves, but did not amuse Slover, by talking over his probable behavior under the torture that awaited him. They fell asleep, worn out, about daybreak, when Slover made a desperate effort to free himself, and to his own astonishment, succeeded. He stepped across his snoring guards out into the open air. No one was astir in the village, and he ran to hide himself in a cornfield, where he nearly fell over a sleeping squaw and her papooses. On the other side of the field he found some horses, and making a halter of the buffalo thong that had bound him, and that still hung upon his arm, he leaped upon one of them and dashed through the woods. By ten o’clock in the forenoon he had reached the Scioto fifty miles away.