An Alternate ending to the Series 5 Episode 'Tough Love' In which Buffy makes a deal with Glory to safeguard 3 people close to her while also restoring Tara's broken mind. In the end though the 3 of them will travel much further than they would have guessed.

Revan returns to the Sith to fix what Malak broke end the corruption of the Republic and escape the hypocrisy of the Jedi, Also the Sith didn't have any rules against him marrying Bastila. They have a son that unlike canon is Force sensitive and has a little something extra inside just waiting for a chance to ignite.