Regressing Ranker

Lucas Wayne, a 30 year old shut-in gamer.
His life went to ruin due to bad choices he made while playing a game.
With his loan sharks banging on his apartment door gave up hope and decided to log into Realm Quest for the last time.
[ALERT ALERT]
[SYSTEM REBOOT]
[YOU HAVE BEEN GIVEN A SECOND CHANCE DO TRY TO PERFORM BETTER]
He has traveled 7 years back in time and better still he returned with his knowledge from his future a week before the release of the game.
What choices will Lucas make this time around.
"Time for me to be the top ranker" he says.