Is there a easy/good way go make leads smooth into ink or should i go digital?
If your skills were better the ink and pencil would look a lot better. There's no way to make the eye you drew look smooth or correct.
There are specialised pencils which produce blacks almost as strong as ink, but generally speaking ordinary graphite will always look light and shiny compared to ink.
I'd recommend moving to paint if you want to go beyond pencil without going digital. Modern paint is convenient enough that everything else is basically just too much trouble.
Contrary to what most people on here are likely to say, I'd also say going digital is a perfectly valid next step. Digital painting offers some opportunities to develop your skills that traditional work doesn't (rapid mirroring and rotating of the image and quickly undoing mistakes train you to see errors better than traditional methods, in my opinion).
