The Stadio San Paolo will host Real Madrid on Tuesday evening as Napoli aim to overturn a 3-1 first leg deficit and home fans will have nearly six hours to get ready for the match as the doors will be opened at 15:00 CET, five hours and 45 minutes before kick-off.
An epic and fiery atmosphere is expected and the Naples locals will look to put on such a show that Los Blancos feel intimidated, even with an athletics track in between the pitch and the stands.
The fact that the official 60,000 capacity it expected to be surpassed - nobody in the city doubts it will reach something close to 70,000 - should also trouble the visitors from Spain, even if Zinedine Zidane and Dani Carvajal insisted during their pre-match press conference that they are not worried about the atmosphere.
Marek Hamsik insisted in his own pre-match interview that the home support will play a role and announced the noise will even reach Turin, while former Napoli captain Giuseppe Bruscolotti was similarly excited about the influence the fans could have.
"The Stadio San Paolo will not fail," he assured MARCA.
Real Madrid have been on the receiving end of hostility ever since they touched down in Naples on Monday, but the decibel levels should peak when the ball gets rolling at 20:45 CET on Tuesday evening.