The Brazil international moved to Stamford Bridge in the summer of 2013.
Since then he has appeared in over 30 European fixtures for the Blues, and has always posed a threat in the final third.
He has shown himself to be particularly dangerous from outside of the box, with a 20-yard drive in his latest appearance against Barcelona seeing him jump to the top of a continental goal chart.
6 - Since joining Chelsea in 2013/14, Willian has scored more Champions League goals from outside the box than any other player (6, followed by Cristiano Ronaldo & Neymar on 5). Specialist.— OptaJohan (@OptaJohan) 20 February 2018
Willian had already offered plenty of warning to Barca prior to opening the scoring in the first leg of a last-16 encounter at Stamford Bridge.
Two first-half efforts from the 29-year-old had cannoned off the woodwork, but he was still given space in which to line up a third effort.
Quick feet from the Samba star allowed him to get a sight of goal just past the hour mark, with the ball then drilled low into the bottom corner past a helpless Marc-Andre ter Stegen.
6 - Six of Willian's nine Champions League goals for Chelsea have come from outside the box (67%). Laser. pic.twitter.com/89Px69kypt— OptaJoe (@OptaJoe) February 20, 2018
Lionel Messi’s first goal against Chelsea quickly cancelled out Willian’s strike, but the Blues are very much in a heavyweight encounter.
It may be that they need further moments of inspiration in a return date at Camp Nou, especially after conceding an away goal.
Willian could be the man to provide that, with his penchant for the spectacular proving to be a valuable asset to Antonio Conte’s side.