Blue Ore

is an Series: in. Along with OoS:, it is one of the components for making OoS:.

Location and Uses
The OoS: is in a chest in the southwestern corner of the OoS:. OoS: must use the NaN Magnetic Gloves to cross the pitfalls over to the spot where the chest is.

When OoS: has both the OoS: and OoS:, he brings them to the OoS: to have them smelted into OoS:.