The Rat King : r/creepy

The rat king covenant is the absolute most fun I've had with all of souls : r/DarkSouls2

Guide for Dark Souls II: Scholar of the First Sin - Grave of Saints

Playing Dark Souls 2: Just googled rat king hoping to find a list of his covenant's rewards so I know whether or not to join - Imgur

Dark Souls 2 Diaries – Day 16 – vaguespeculations

Dark Souls II: Scholar of the First Sin Preview - New Screens & Update Details For Dark Souls II: Scholar Of The First Sin - Game Informer

Dark Souls 2 - How to Beat the Royal Rat Authority Boss

The Rat King Friends - Giant Bomb

Doors of Pharros - The World of Dark Souls II (Part 17) » CelJaded

PC / Computer - Dark Souls II - Royal Rat Vanguard - The Models Resource

Dark Souls II (Video Game) - TV Tropes