I'm now about half-way through and have good karma, if I switch now to only doing evil actions will I lose my good karma skills?

I did my evil playthrough as my second one for the platinum on expert and I found it way easier than good karma playthrough. It seemed way easier to get the big kill streaks which just killed everything in the area and then some![]()
- an interesting but annoying feature.Dat spray paint can rattle sound![]()
COLE'S LEGACY?
If I take on the Augustine mission now with that smoke criminal will I still be able to go back to the districts afterwards and complete all the little missions I missed or is it game over after Augustine?
Yes. How is it?
I'm at 80% game completion and am at true hero, I've just started going to the darkside and started a new save slot path, it seems like there aren't going to be enough shards around to max out the evil powers after having maxxed the good ones, just wondering if there is another way to get them or if I should just replay the full game as ruthless.
If I take on the Augustine mission now with that smoke criminal will I still be able to go back to the districts afterwards and complete all the little missions I missed or is it game over after Augustine?