VIDEOS:
The Owl House
Once a witch or demon joins a coven, all their magic is sealed off except the magic from the coven they've joined.
Example of:
Power Limiter
Askad's Glasses
Example of:
Power Limiter
Rock Lee takes off his weights
Example of:
Power Limiter
Shadow's Inhibitors
Example of:
Power Limiter
Hexadecimal's Mask
Example of:
Power Limiter