the Protectors of darkness are five Mobian dragons that protect the pieces of Claw's mask the five Protector's each control one element:
Moltrinex the dragon of burning fire
Auqina the dragon of pure water
Mechano the dragon of reinforced stteel
Hexus the dragon of light
Dark spine the dragon of hatred and darkness
since Claw was defeated, the five protectors still guard the temples as is they held something else...