Oliver gave his word that he would do whatever necessary to save Barry and Kara in the coming crisis, and it seemed quite possible that Oliver would not survive the mission.
The Season 7 finale of Arrow was the end of an era in many ways, ranging from the departure of leading lady Emily Bett Rickards to the dissolution of Team Arrow to the return of The Monitor to collect on Oliver’s promise from the “Elseworlds” crossover of December 2018.