He is assumed to have been croaked in the eruption at Gobwin Knob as only a few Uncroaked and Rock Golems survived the blast.Erf-b1-p142 However, he may have been decrypted by Wanda after she returned to the city.
Mung and Bogroll were assigned to guard the door to the cell where Jillian Zamussels was being held captive. After Wanda arrived to interrogate the prisoner, Bogroll was promoted to lackey in attendance on Chief Warlord Parson Gotti, and Mung was left at the guard post with instructions to secure the door against outside intrusion.
Real World References
"Mung" is a computer jargon verb meaning "to make repeated changes which individually may be reversible, yet which ultimately result in an unintentional, irreversible destruction of large portions of the original item".