Dragon Age Inquisition Autosaves

Dunno if this belongs here, mods should feel free to move if it's in the wrong kategory.

so I made this one mistake. I played 8 hours straight without saving, since I felt really save with the autosaves all the time. Now I missed out the blackwall Quest in Orlais and startet the Last Mainquest and realised that I can't take him into my party since I didn't made his Quest and wanted to reload a Savegame before I started the Main Quest. But my last Save is like 8 hours ago, and the only automatic savegame I have is the respawn after the Cutscene from the Endquest. Is there a possibility to restore Autosavegames? I mean there have to be plenty of auto saved games. I just want to get Blackwall back to my party without losing 8 hours of gameplay in which I made a hella lot, like completing all the maps...