This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 123]

▼CAActor
CAArcanaWorldActorBase
CFArcanaArchitectureSettings
▼CFArcanaStateTreeTask_PlayContextualAnimInputs
CFArcanaStateTreeTask_PlayContextualAnimInstanceData
▼CFNonAbandonableTask
CFAsyncStreamingWorker
CFPackedSpawnInstance
CFSpawnableItemDefinition
▼CFStateTreeTaskBase
CFArcanaStateTreeTask_PlayContextualAnimTask
▼CFTableRowBase
CFSmartSpawnRow
▼CIAbilitySystemInterface
CAArcanaWorldActorBase
▼CIArcanaWorldActorInterface
CAArcanaWorldActorBase
▼CIModuleInterface
CFArcanaModule
▼CModuleRules
CArcana
▼CUDeveloperSettings
CUArcanaEditorSettings
▼CUGameplayAbility
▼CUArcanaGameplayAbilityBase
CUArcanaGameplayAbilityDeployObject
CUArcanaGameplayAbilityDropObject
CUArcanaGameplayAbilityHoldObject
CUArcanaGameplayAbilityInteract
CUArcanaGameplayAbilityPlaceObject
CUArcanaGameplayAbilityTakkeObject
▼CUInterface
CUArcanaWorldActorInterface
▼CUWorldSubsystem
CUArcanaWorldSubsystem