Omg, I'm FUMING! After evolving and powering up my 84% Gengar, I casually captured a 100% flawless Gastly
I'll have to start from scratch, but it's ok as I don't think my Gengar has the optimal moveset (for this generation, anyway).
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Finally hatched my 10km eggs today, they were: 88% omanyte (my best), giving me enough candies for my first Omastar~ a dratini with relatively poor ivs, but Worth It ft. kid ink for the precious 16 dratini candies to power up my Dragonite, and... Eevee, with pretty bad ivs
Overall a decent hatch, but I'm still pressed that I don't have a Snorlax.