Everyone gets a free level 110 when they purchase Battle for Azeroth. Are you claiming that the 2 mins (being generous) to apply a boost at character creation takes longer then leveling 1-55 in WotLK era? LOL. It is also funny how you think leveling 1-55 and then 55-70 took only 10-11 hours but don't account for time played. You are things to show you are right but forgetting to include them when it would show you are wrong.
If it is fine now why are you even complaining then? That indicate it isn't fine. Seriously LOL.
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Then there has been no current content in all of Legion because mythic dungeons have always been the fastest way to gear up. Your argument is stupid. Argus is not out dated content.