- Create a complete new Battle.net account, buy World of Warcraft for it.
- When starting to play, don't join any guilds because they give you XP perks, etc
- Last but not least, don't ever learn to fly in Azeroth or anywhere.
Perhaps you won't relive that feeling 100%, but at least you'll be playing like the game was new.
- - - Updated - - -
Starting a new Battle.net will:
Make so you have 0 achievements, give you some joy back to achieving those again, more goals.
Can't leap into temptations by sending heirlooms to yourself.
Slow down, enjoy yourself