Although Anfield is still the Red European Centennial fortress, Jurgen Klopp is on the road with an alarming trend, especially visiting Paris Saint-Germain in the next three weeks.
Liverpool did not win 1-0 in Naples last month, but did not like 1-0 in the last month, and in the second season of the semi-finals in the last season, Gypsy Champion 4-2 was opened in the Gypsy Championship, progressing only thanks to the 5-2 first-round win.
"Unfortunately, I have already seen some games, for example, it's already there, and it's hard to find a mojo back," convinced Klopp, as Belgrade amazed Red Star's first victory in the competition for 26 years.
Everything is far from lost. Liverpool has still seized six points at the top of the Naples C Group. Four points from their last two games would be enough to guarantee red growth until the last 16.
However, losing to what would have been a group bouquet, the boy has made his task much more difficult.
"We have to make sure that it will not happen anymore, otherwise it will be difficult because the next game will take place again and the last is a very difficult game against Napoli," Klopp added.
"We have to make sure in Paris that we are doing better. There were many times when we were able to control the game, and we did not do this, we made the wrong decisions."
Liverpool's start of the Premier League season has been a strange story. Still unbeaten after 11 games, the only points they have humiliated had won opponents in the fifth category of Manchester City, Chelsea and Arsenal.
However, even if Liverpool's results are positive, they rarely added to the level they reached last season for the Champions League final.
In the first three months of the campaign, Mohamed Salah, Roberto Firmino and Sadio Mane, who had won 91 goals last season, were in all different stages.
Firmino has only won once in his last 11 club and country games, but even on the night when Klopp tried to give religious holidays to Brazil, he ended up on half-time in Belgrade after Daniel Starbidd did not answer the wonderful opportunity to put Liverpool forward.
"We had the first big opportunity – Daniel is very big. Each goal in this game drives the game in a specific direction," Klopp yelled.
Liverpool reserves had to provide a stronger challenge for domestic and European competition this season.
More than £ 160 million ($ 210.5 million) were spent on new employees, but only Goalkeeper Alisson Becker became the first team on a regular basis, as midfielder Fabinho, Naby Keith and Xherdan Shaqiri stayed aside.
Once again Liverpool needs an hour in the Serbian capital, Fabinho and Keita, were left on the bench in 90 minutes, while Shaqiri had not yet made a trip due to political sensitivity following the Kosovo-born Swiss international controversial goal against Serbia in the World Cup.
Clopp must find a way to use his new resources and quickly re-discover Liverpool to avoid a cumbersome early-European exit.