Sacred clay harpoon

In Stealing Creation
In Stealing Creation it is used by using sacred clay (class 1-5) on a creation kiln after that go into equipment and choose harpoon, depending on what class of sacred clay you use to make the harpoon depends on what class the harpoon is, the higher the class the better it will be and the quicker it will get sacred clay.

To use the Sacred clay harpoon to get sacred clay use it on a pool.

Outside Of Stealing Creation
Outside of stealing creation it is a reward from the stealing creation minigame, it give bonus Exp for what fish you catch.