The Catalan giants had been on pinnacle almost from the off in Naples way to Jordi Alba expertly finishing a lightning counter-attack from a Napoli nook, and Frenkie de Jong's extraordinary lengthy range effort effectively ended the tie with 3 quarters of the healthy to play.
Xavi's thrilling facet may want to have had more before Lorenzo Insigne briefly gave the hosts wish from the penalty spot mid-way through the primary 1/2, and Gerard Pique made truly positive there would be no Napoli comeback at the stroke of half-time.
A sobering night time for Napoli, who're chasing a primary Serie A name in 3 a long time, become capped simply before the hour mark with the aid of Pierre-Emerick Aubameyang, who impressed up front for a dynamic Barca team which looks as if it may move all the manner within the competition.
It became a stroll for Barca into Friday's draw for the ultimate sixteen, whose matches could be played on March tenth and seventeenth.
The night started out with masses of enthusiasm at the Stadio Diego Armando Maradona as the 2 teams covered up with a banner which study "Stop War" in protest at Russia's invasion of Ukraine.
However Napoli at once handed the initiative to Barca, a dreadful quick corner cleared to Adama Traore who raced up the field and fed Alba, who frivolously slotted home the opener.
The error, and the blisteringly short manner in which it changed into punished, rattled the house side and whilst De Jong curled in an exceptional 2nd the healthy and tie turned into all-but achieved and dusted.
Sergio Dest and Aubameyang then had photographs whistle with the aid of Alex Meret's goal as the home lovers started to voice their displeasure at their group's timid efforts.
Napoli had been given a lifeline with the aid of Marc-Andre ter Stegen, who got here charging out to beat Victor Osimhen to the ball but took out the Nigerian and after a VAR test ended up giving away a penalty.
