Originally Posted by Fat Flame
Thank you for the quick answer. I then wonder why they added a shiny sprite for Victini at all...
Regarding Zekrom/Reshiram: I heard their anti-shiny-check is only in N's Castle, and that you can actually RNG shiny Zekrom/Reshiram when getting to capture it in the Dragonspiral Tower. Would you please confirm this?
Probably for a later event, or maybe because the coding requires a shiny sprite for every Pokémon.
And no, that is incorrect. The shiny check is also present in Dragonspiral Tower.