Can I discard an "Attach" relic?

Name

Can I discard an "Attach" relic?

Details

"Attach" relics cannot be discarded (e.g. to make room for a better "Attach" relic) unless a card effect allows it or the breach it is attached to is destroyed.

Cards

Mages

Nemeses

Other

Attach General Mechanics

References

https://boardgamegeek.com/thread/2414571/article/34659184#34659184