[Evolved Navigation Device.]
[A high-tech instrument with slightly improved anti-interference capabilities. It can accurately determine heading using the geomagnetic field and is a capable assistant for the captain of a Wandering Ship.]
[Level: 3]
[Upgrade requires: High-Level Sea Crystal Stone x3, Iron Ore x30, Magnetite x30]
'The upgrade materials are ready!'
'Confirm upgrade!'
Because the amount of materials was relatively small, the various stones before Shi Ming vanished in the blink of an eye. They transformed into energy that swirled around the Nautical Instrument, using a wondrous power to reshape the tablet-sized device.
Just one minute later, Shi Ming received a notification that the upgrade was successful.
[Advanced Navigation Device.]
