|Level||54 - 60|
|Affiliation(s)||House of Plagues|
|Location||House of Plagues, Maldraxxus|
|Companion(s)||Plague Deviser Marileth (owner)|
Plaguey is a slime initially found crawling in a circle around Plague Deviser Marileth at Marileth's laboratory in the House of Plagues in Maldraxxus. It later accompanies Marileth and Kevin in the defense of the Seat of the Primus during and . After completion of , Koa can be seen riding Plaguey around the inside the Seat. Finally, in the Covenant Sanctum version of the Seat, Plaguey can be found crawling around near Marileth and his other slimes in the fortress' northwestern laboratory.
- Patch 9.0.2 (2020-11-17): Added.