Poseidon -

: If you are creating a modern devotional piece or altar, "proper" items include pearls , sea glass , shells , red coral , and scents of ocean or rain . Video Game Equipment

: These animals are his primary living symbols. In art, he is often shown in a chariot drawn by hippocampi (fish-tailed horses). Poseidon

If you are playing a specific game, the "proper piece" or build refers to: : If you are creating a modern devotional

The "proper piece" for Poseidon depends on whether you are looking for his mythological weapon, a symbolic item for worship, or specific equipment in popular games. Mythological & Symbolic "proper" items include pearls