Was this so bad that you didn't save it a couple levels back or something. This happend to me in a similar way. I tried to save while he was dead, thought it put me back before I made my deadly mistake. It said it can't save while he was dead or something. I was furious with myself since I saved it last before a very hard jumping puzzle.
Kindle Reading List (163,457 Locations Completed)
Finished: Aquariums of Pyongyang (2535), Under the Loving Care of the Fatherly Leader (24,074), The Lone Samurai (4753), Nothing to Envy (5349), Shogun (26,263), Eating with the Enemy (9170), Fight Club (3218), River Town (7524), Don Quixote (21,430), The Party(6492), Bravo Two Zero (7340), Rogue Warrior (7602), Mao's Great Famine (11,059), His Dark Materials Omnibus (20,766), Moon Lander (5882)
King Rat (9308)