You can press B to manually mark it as complete.
Most things should be self explanitory, but here's some information just in case: Usageĭownload botw-unexplored.nro from the releases, transfer it to your SD card and launch it. You would have to backup your savefile and then transfer it to a computer, which is unnecessarily complicated. There are other websites and tools to display and even edit your BotW savefile, but none of them run on your Switch.
You can also see shrines, hinoxes, taluses and moldugas too. The korok seeds that haven't been collected and the locations that are left to visit are shown on a map, where it's easy to see koroks or locations you've missed. Tears of the Kingdom Unexplored is now released BotW UnexploredĮasily view what hasn't been discovered in your Breath of the Wild savefile, on your Nintendo Switch.