Final answer:
Frigg attempted to protect her son from danger by asking all living things not to harm him, but overlooked the misteltoe plant, which ultimately caused his death.
Step-by-step explanation:
In Norse mythology, Frigg, the wife of Odin and the mother of Balder, attempted to protect her son from danger by asking all living things not to harm him.
This was done in order to prevent his untimely death, which had been prophesied. Unfortunately, Frigg overlooked the mistletoe plant, which ultimately became the cause of Balder's death.
Learn more about Frigg's attempts to protect her son