Pretty Shell
The Beautiful Shell (Japanese: キレイなかいがら) is Herman's home and signature shell. It's an obtainable item in Densetsu no Starfy and Densetsu no Starfy 3.
Densetsu no Starfy
In Lobber's Cave, after leaving the Dentalium Shell with Herman, Herman teaches Starfy how to use his signature Star Spin attack. After breaking some blocks with his Star Spin, Starfy later finds the Beautiful Shell. Starfy gives the shell to Herman. Herman is grateful for this, and happily spins his temporary home off his back and wears the Beautiful Shell. On Starfy's quest quest back to Pufftop, Herman leads the way to Coral Reef.
Densetsu no Starfy 3
In Lobber's Cave (Stage 1-2), Starfy, Starly and Moe meet Herman wearing his Beautiful Shell. However, in the middle of the conversation he runs off and replaces his shell with a cardboard box. Herman teaches Starfy the Star Spin again and asks him to relocate his shell. After travelling through several rooms, Starfy finds the Beautiful Shell. Starfy returns the Beautiful Shell to Herman who then rewards Starfy with the Conch Hat Treasure.
