Home comforts, in the end, did not inspire Eden Hazard and this would prove to be an exciting glimpse of Chelsea's future rather than a wistful reflection on a golden past.
It was a night for the next generation. Timo Werner and Kai Havertz combined for the first, Mason Mount and Christian Pulisic for the second, to kill the tie and send them to Istanbul.
Edouard Mendy resisted in goal behind Thomas Tuchel's miserly defensive unit and N'Golo Kante ran the show in midfield, resurgent, back to supreme best.