Trident

From The Unofficial DisneyWiki

The trident is somthing of a wizards staff, its what makes king triton a great rulor. without the trident as demonstrated in the movie "the little mermaid" triton is nothing without his magic trident. its golden aperance and magicical powers make it an object diserered by the sea witch Ursula. It can be used for many things: It can be used as a weapon for destroying things. Triton used this power in Ariel's grotto and Ursula used it to try and kill Ariel.