On the map for TOTK, caves will show a checkmark when you've defeated the Bubbulfrog inside and obtained its Bubbul Gem.
Where is the Bubbulfrog for the Hebra Great Skeleton?
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Sign up to join this communityOn the map for TOTK, caves will show a checkmark when you've defeated the Bubbulfrog inside and obtained its Bubbul Gem.
Where is the Bubbulfrog for the Hebra Great Skeleton?
From the IGN guide for Hebra Mountains:
Hebra Great Skeleton - (-3823, 3602, 0257); Bubblefrog is actually close to the entrance on the other side of a huge piece of stalactite.
You can see it at the top of this image.
Its not listed in Game8's full list of caves and Bubbulfrogs, but I'm guessing that's because it's an incomplete list (there are several other caves missing Bubbulfrog locations as well).