Beacon of the Lost Cove

You have advantage against magical effects that
require a saving throw. Once a saving throw from
a magical effect has succeeded the ability is lost
until the next days dawn.
As a Bonus action this item can cast bright light
in a 10 foot radius and dim light for an additional
10 feet.
I will love the light for it shows me the way, yet I will endure the darkness because it shows me the starts