I can't find the last one I'm wondering if it's glitched or not
#.
peak berry
proven hearth
I can't find the last one I'm wondering if it's glitched or not
Have you tried using Revelio?
This video also shows each location of the balloons: https://www.youtube.com/watch?v=9GUfduA9ieM
There are a few that are tucked behind trees so it's most likely you missed one but if its bugged out either leave the quest area so it restarts you or abandon the quest and restart it.