He's been a regular since he joined on loan, as the creative spark in a two or three man midfield, usually with a tougher player(s) alongside him. Lanciano supporters say he is very technical and has great vision but needs to work on his physique and protection of the ball. Those are things you could easily identify by watching him in the Primavera, but he definitely seems to have the skill to stand out at Serie B level.
Could end up as anything from a regista to a creative CM, or even a mezz'ala. The kid is still 18 so he is a considerable talent.
Padovan gets a fair amount of minutes and doesn't score, so we can forget about him as a worthwhile player, barring some kind of career renaissance. Di Benedetto is a complete mystery, just a squad player there and barely features.