Arsenal last reached the Champions League semi-finals in 2009, and while they made it to the quarter-finals last season, this performance feels different - confident, clinical, and historic. While their hopes of reclaiming the Premier League title may be fading, as they trail Liverpool by 11 points, this European campaign has suddenly taken on a life of its own. With such momentum, belief is growing that the Gunners could go all the way and finally lift the Champions League trophy for the first time in their history.