Happy hat
From Dragon Quest Wiki
The Happy Hat (also known as the Joy Hat) is a hat in the Dragon Quest series. It recovers MP while walking on the field.
Appearances
Dragon Quest IV
The happy hat has a defence bonus of +15. It can be worn by Borya, Kiryl, Maya, and Meena.
Dragon Quest V
The happy hat has a defence bonus of +35.
Dragon Quest VI
Dragon Quest VII
The joy hat has a defence bonus of +37 and an appearance bonus of +17. It can be worn by the Hero, Maribel, Gabo, and Melvin.
Dragon Quest VIII
The happy hat has a defence bonus of +31. It can only be worn by Jessica and Angelo.
Recipe: Feathered cap + Elevating shoes