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My apologies if I managed to glance over the answer to the question I plan on asking but apart from the sprites for mon that're website exclusive is there any reason why you got the sprites for the official mon on the wiki in every palette apart from their normal ones? This is something that's been of much curiosity to me, even more now since I recently discovered that the wiki pages have IMG codes on display.

In the Evolution page it says Qwilfish evolves into Overqwil via trading. Pokedex mentiones that just holding the item with the needed level is enough.