Enemy Infiltration - Preface

Enemy Infiltration - Preface can be found by opening the Lost Journal of Revendreth, located at on the upper level of the Spire of the Unseen Guests of Sinfall.

To see the journal, players must have finished the level-up campaign and chosen a covenant.

Speculation

 * The nathrezim's covert manipulations may have been foreshadowed or hinted at in the past. According to Il'gynoth, Corruption Reborn: Whisper, and N'Zoth also stated during the Uu'nat encounter that: Whisper