Affiliations: HellValleySkyArmy, The Skullgirl
Type: Boss Monster
Blood Color: Orange
First Appearance: SuperSpy Luigi (2014)
- Mercy is considred a Bishōnen by the Writer.
- All of the new Sky Trees represent ways people can die. Mercy's is Drug Overdose.
- A few of them represent the 7 Sins, too. Mercy's is Pride.