Sn0wL1zard87
When Twilight and her friends ask their draconic friend, Spike, about what he's done in the Dragon Lands after the following years of Twilight's coronation, they are in for a tale.
End of Season 9
Please note that I think this is what happened before Spike returned to Equestria to help Twilight.
[SL Note: OG belongs to Flameboy]