ReadonlyBOON: "boon"A flat ±N modifier to an associated skill's mastery level, from any source.
ReadonlyBOOST: "boost"One or more temporary mastery boosts to an associated skill (Mastery Boost table).
ReadonlyFATE: "fate"A mystery that quantifies the ability to alter destiny or fate.
ReadonlyGRACE: "grace"A mystery that quantifies ability to call effectually on divine favor.
ReadonlyOTHER: "other"A mystery that does not fit into the other predefined categories.
ReadonlyPIETY: "piety"A mystery that quantifies devotion to a religion.
Map of mystery-subtype key → value.