Nightbringer | The Arthurian Online Encyclopedia

Laudine’s Ring

When worn by a true lover, its stone had the power to protect him from wounds and loss of blood, making his flesh harder than iron. Laudine gave it to her new-wedded lord Ywaine when he left for his year on the tournament round.

After he stayed away about six weeks overtime, she sent a damsel to Arthur’s court in Chester who reclaimed it on her behalf, with the message:

Don't come home.