Dark Souls 2: Rat King Covenant

Summoning a Trespasser to this Land as a Gray Spirit for PvP. Player versus Player content can be activated by joining the Rat King Covenant at the Grave of

Major Dark Souls 2 Update Detailed - GameSpot

Rat King (covenant), Dark Souls Wiki

How to be truly evil in Dark Souls 2: Tips & tricks

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

Dark Souls 2: All 9 Covenants, Ranked By The Usefulness Of Their Rings

The Rat King Friends - Giant Bomb

Brotherhood of Blood - Dark Souls II Guide - IGN

Dark Souls 2: Every Covenant (& How To Join Them)

SOTFS Ascended Mod at Dark Souls 2 Nexus - Mods and community

Dark Souls 2 Ring guide - where to find each ring, and their effects explained: Page 4