If there's one club who know all about securing high-profile, dramatic three-goal swings in the Champions League, then it is Liverpool. And if there is a manager who knows all about how your fate can change in such mayhem, it is Carlo Ancelotti.
But even armed with the positive omens and the quirky weight of history, Jurgen Klopp heads to Santiago Bernabeu on Wednesday night knowing that the task in front of him is a daunting one.
Even for a manager whose own story with the Reds in Europe's premier competition is so distinguished, this is new ground that must be broken in the Spanish capital this week.