The north London outfit needed a 2-0 win at least to progress - and they went one step further at the Emirates in a 3-0 win.
"We can be proud of our players today because it was a very hard week - (Manchester) United on Sunday and today against Rennes". Although they have no more top-six teams to face in the Premier League this season, they play more away than home fixtures.
He immediately went behind the goal where he picked up a bag containing a mask of the popular Marvel character Black Panther. The Gabonese national team's nickname is "Les Panthères" and the federation's badge is literally a black panther.
16-Year-Old Swedish Climate Change Activist Nominated for Nobel Peace Prize
The Swedish 16-year-old is an inspirational yet unlikely leader of weekly school strikes that have gained momentum worldwide. Derry girl Jodi said she felt it was time for the young people of Derry to make their voices heard on the issue too.
Arsenal got off to a brilliant start thanks to superstar Pierre-Emerick Aubameyang, who scored in the fifth minute to put Arsenal in the driver's seat.
And the former Borussia Dortmund striker has explained why he celebrated with the mask.
While Sokratis was forced to sit out the second leg, Arsenal were able to call on Alexandre Lacazette after his three-match ban for a red card in the previous round was reduced to two games on appeal and, having already served both of those games, so took his place in the side.
Gabon worldwide Aubameyang opened the scoring in the fifth minute then settled nerves at Emirates Stadium with the Gunners' third goal in the second half.