Source Gods and Magic

Aura faint evocation; CL 3rd
Slot neck; Price 3,900 gp; Weight 1 lb.

This giant pearl is carved with entwined flying dragons and strung on a fine silver chain; it changes size according to the size of the wearer so that its diameter is no greater than your thumb.

Once per day, you may use a breath weapon equivalent to burning hands except it deals electricity damage instead of fire.

If Apsu is your patron, once per day you may use eagle's splendor. On command, the orb glows with a light spell or darkens again.

Craft Wondrous Item, eagle's splendor, light, shocking grasp; Cost 1,950 gp