Sorry, how is that illegal? It's illegal to use models as a reference? If so, Vampire Survivors traces (aka uses) assets of other games such as Castlevania and Bayonetta, so presumably Vampire Survivors is copyright infringement. They're not, per reports, 1:1. Most people are trusting some random people on Twitter alleging the models are the same and taking it at face value. "Changed them slightly" actually does matter because if it's substantially different it impacts on infringement.No, this is something else. The devs of this game appear to have outright ripped models from Pokemon games and changed them slightly, without Nintendo's consent. That's illegal. They can be sued for this.
It would've taken some time for any people at Nintendo to find this out since the game only went on sale a few days ago anyhow.
Is that a mod or in the game outright? Because if the latter, even more grounds for litigation. Those characters are IP which were copyrighted and protected under the law.
Between this and a supposed $675 million budget, this game (or even the dev studio) sounds like a modern day cocaine-fueled get-rich-quick scheme that'll end in disaster.
The second half of your comment hints you're not really up to even talking about this. You really think they have Ash and Pikachu in the game? You didn't realise the budget is in Yen, not USD? $675m is more than Starfield and Spiderman 2 combined.