Since I got my first Hydreigon. After nearly 8-9 months of wasted time, I FINALLY GOT IT. That bastard was taking FOREVER to get as Shiny, since before that I bumped into a Shiny Druddigon instead.
And as for the PokeDex, 513 marked as Obtained with 607 marked as Seen. I already got the final 3 Events already thanks to someone over WiFi, as well as every other Legendary, Pseudo-Legendary, and starter in existance.