Thank you for reading the story! I will now post the answers to every riddle I've asked over the course of the story.

Riddle #1: An Echo.
Riddle #2: The Letter X.
Riddle #3: The lions; they would have starved to death.
Riddle #4: A Waterfall.
Riddle# 5: This is a Caesarian Shift with the number to decode it being 14. I'll let you see the message for yourself.
Riddle #6: A Gun.
Riddle #7: The man had the hiccups. The water was to treat it, but the gun scared him enough to make them go away.