In order to synthesize the Hammer Brooch, you will need a Scintilla Ore and a Duet Solvent Solution.
You need to clear these requirements in order to advance:
- Synthesize a Duet Solvent Solution: The Duet Solvent Solution recipe requires a Duet Stock Solution and a Holy Stone Fragment.
- Obtain a Scintilla Ore: You can gather Scintilla Ores at Scintilla Mine.
- Synthesize a Neutralizer: You will also need a Neutralizer-category ingredient. Any color will do.
You will automatically learn the Hammer Brooch recipe once you return to the Atelier.
Gathering the Ingredients
In order to create the Hammer Brooch, you will need to gather a Duet Stock Solution and a Scintilla Ore.
Duet Stock Solution
The gathering spot for the Duet Stock Solution is located in Spinel Forest.
Fast travel to Astrad Heights – Spinel Forest. Walk down the wooden ramp next to the landmark and head to the lake.
Interact with the gathering spot in order to collect the Duet Stock Solution
In order to obtain the Scintilla Ore, fast travel to Scintilla Mines – Inverted Crystal.
Use either the Hammer or the Woodcutter’s Axe on the large boulders to collect Scintilla Ores.
Synthesizing the Hammer Brooch
After collecting all the ingredients, return to the Atelier.
Next, select the Hammer Brooch recipe.
Insert a Scintilla Ore in the central Quality loop.
Add a Sand-category ingredient to the Quality loop on the top-left corner.
Use a Neutralizer-category ingredient in the Quality loop on the top.
Insert the Duet Solvent Solution in the Quality loop on the bottom-right corner.
After completing all four core loops, you can synthesize the recipe straight away.
With the Hammer Brooch in hand, fast travel to Sardonica – Glass Workshop. Head inside and deliver the Hammer Brooch to Saverio in order to complete the quest.