Many friends are still not sure about this. The editor has prepared a guide for obtaining Poseidon Shells in Terraria. If necessary, you may wish to come in and take a look.
1. Poseidon Shell is a prop obtained through synthesis. The synthesis materials are: 5 shark fins + 15 corals + 15 goldfish + 20 souls of fear + 5 souls of light + 5 souls of night;
2. After players collect the above materials, they can go to the mithril anvil or orichalcum anvil in the game and pass the synthesis table to make the prop [Poseidon Shell].
Poseidon shell uses
When entering the water, the player holding the prop can be turned into a mermaid