A Trail of Pure Vile Evil is a Tome of Knowledge Bestiary entry for Plaguebeast of Nurgle.

Instructions: Order & Destruction

20.5k, 13.8k - In Ostland

Kill ‘Plaguesworn Pariah’ which will spawn a 'Noxious Plaguebeast' (Champion).

Kill the 'Noxious Plaguebeast' for the unlock.

Rewards