This challenge was solved by and the write up was written by one of my teammates, nguyen.
cat READMEThe Piranha Gun can be found in “jungle.chest”.
# umount /chest
umount /chest
# cd /chest
cd /chest
# ls
ls
jungle.chest
# cat jungle.chest
cat jungle.chestThe flag was:
hitcon{Wh1re d!d Y0u F1nd the Jungle Key}