On Tuesday, October 23, Celtic will travel to Camp Nou after earning their first away victory in 27 matches.
While getting points in Russia is always an impressive feat, there are few places more intimidating and harder to break than Camp Nou.
That is precisely the task that lies before Neil Lennon and the Bhoys in the Champions League Group G headliner.
The crowd will be in Barça's favor as will the history and, quite frankly, the talent.
But none of that matters when the whistle blows. It won't matter which team won the entire thing just two season ago or which team has the most in-form player in football.
If Celtic can avoid being intimidated by La Blaugrana, they can come away with a point and maybe even use the result to make the next round of the Champions League.
To do that, they will need to win certain key battles in Spain. Read on to learn what those battles are.