Defeat Plague Concocter Mortieu in Veteran Scalecaller Peak with four living group members all suffering from two of Mortieu's infections simultaneously.
Achievement ID: 1988
Category ID: 24
Subcategory ID: 107
Completed on accounts: 76 (27.54%)
Completed on characters: 84 (5%)
Most recent completion: 2021-02-11 17:07:12
First recorded completion: 2018-02-13 23:20:48