I'm new here but I have a question that I hope will be answered soon. Ok so I found both my HG and diamond games and decided to restart diamond. I then decided to hatch eggs for my game but! in the process I hatched a shiny porygon with a lonely nature with download as it's ability. I checked it's iv's and it has max hp,atk, and spA while the rest are above average based on what the guy said. I want to know If I should keep it and what can I use it for? I'm sorry if this is the wrong place to ask this.
Well, personally I'd definitely keep a shiny, especially one with great IVs.
As for what you can use it for...even though Lonely isn't the best Nature for it, you can still successfully use it on the game you restarted if you want to since you don't need perfect stats, etc. for the main story.
Or you could just keep it in your PC as part of your Pokemon collection if you want.
It's really up to you to decide what to do with it.