From Dragon Quest Wiki
Quest #179 - "Pants Macabre"
Location Wyrmtail
Availability After downloading from DQVC
Requested by Skeleton in cave.
Fulfilled to Skeleton in cave.
Item Required Grundies
Reward Rhapthorne treasure map; Wonder pants for repeat
Detail A skeleton wants you to bring him some grundies. They can be stolen from Cumulus hex.
Hint for solution Cumulus hex can be found in high level nature Grottos. Use Half-Inch to steal from them. The item can only be stolen while the quest is activated.
Repeatable yes
Date Released June 3, 2011