The thick moat is filled with murky dark water. It is very wide and surrounds the entire castle. Alligators and other dangerous creatures roam the moat, ready to warn away intruders.
Moat, Outside Palace
horseflies
electric eel
I am an eel. I swim around in the king's moat. I was brought here from far away by a foreign diplomat, and I have lived here for many years scaring away unruly citizens.
ZEEEE! You are crunchy to me. Not like the smaller fishzzz. But crunchy! Are you going to eat me, nasty eel? Whatzzz? I want to die, please just do it. Your kind haz never spoken to me before. Have you become like the Onez who tread above?  The humans? No, not at all. Then you are a morzel for meeeeezzzzzzZZZZZZ. Yessssss do it WhaaaatzzzZZZ? Have you begun to realize your importanz? Have you begun to evolve? Nooo stop it and just finish me offff .......ZZZzzz... Why? I am but a horsefly, I don't want to live such a useless life.