Screen Rant

The latest episode of Arrow provided a key part of the Arrowverse's backstory. 1 / 8

The villain of Arrow season 7 has been revealed as Emiko Queen, Oliver Queen's half-sister. 2 / 8

Emiko is one of the leaders of criminal organisation The Ninth Circle... 3 / 8

A position she gained after allowing the sinking of her father's yacht... 4 / 8

Which is how Oliver Queen was trapped on his island and became Green Arrow. 5 / 8

This led to the creation of Black Canary, who later joined the Legends of Tomorrow... 6 / 8

And Oliver Queen went on to help train The Flash. 7 / 8

Without Emiko, the Arrowverse would look very different. 8 / 8