Dark Waters

Synopsis
After the city is attacked again, Oliver makes a bold move against HIVE. Malcolm checks in on Thea and leaves her with a warning. Things take a horrible turn when Damien Darhk retaliates in a brutal manner at Oliver's mayoral holiday party.

Protagonists

 * Team Arrow
 * Green Arrow (Oliver Queen)
 * Black Canary (Laurel Lance)
 * John Diggle
 * Thea Queen
 * Felicity Smoak
 * Detective (Quentin Lance)
 * Green Arrow/Ra's al Ghul (Malcolm Merlyn)
 * Donna Smoak
 * Curtis Holt
 * Taiana Venediktov
 * Paul Holt

Antagonists

 * HIVE
 * Ghosts
 * Andy Diggle
 * Damien Darhk
 * Milo Armitage
 * Mina Fayad
 * Phaedra Nixon
 * Shadowspire
 * Baron Reiter
 * Conklin

Other Characters

 * Alex Davis
 * AJ Diggle
 * Carla Diggle
 * Nora Darhk
 * Ruvé Adams
 * Vlad

Teams and Organizations

 * Channel 52
 * HIVE
 * Ghosts
 * League of Assassins
 * Seven 6 News Channel
 * Shadowspire
 * SCPD
 * WEBG Channel 8

Species

 * Humans

Objects and Concepts

 * Amazo
 * Black Canary Suit
 * Canary Cry
 * Ring
 * Green Arrow Suit
 * Lazarus Pits
 * Oliver Queen's Bow and Arrow

Locations

 * Earth-1
 * Earth
 * Asia
 * Lian Yu
 * North America
 * United States of America
 * Washington
 * Star City
 * Lair
 * Oliver Queen's Mayoral Campaign Office
 * Bunker
 * Star City Bay
 * Star Metro Police Precinct