Mikel Arteta's big-scale improvement this season basically aims one of them to conquer the EPL, considering that last season's situation left a deep impression on the club where their domination of the League since the start of the season had to stop in the last weeks before the season was finished.
Coach Arteta has invest more than €200 million to equip his main squad, this action is a signal that Arteta does not want his club to lose its place and is ready return to challenge the top of the Premier League standings
The pre-season tour win made them mentally improve to be ready for the Premier League, this is one of the upcoming challenger teams.
Yes last season could be called their failure at the end but that all did not discourage Arsenal from sinking, instead they rebuilt the squad with considerable spending by Arteta and the management was very supportive of that.
Transfermarkt has detailed that this transfer window Arsenal are the highest above €200 million.