Brandstone Research is an achievement related to collecting Brandstone and helping Yasna with her research. It takes 7 days to complete, as you can finish only one task per day. Completing the achievement will unlock Yasna as a merchant, allowing you to purchase the recipes for Astral weapons.
| Istan is being bombarded by Brandstones, which may have unique and useful properties.
||Collected 7 Items||3|
|Kralkatite Research||Collect 10 Kralkatite Ores and bring them to Yasna.|
|Branded Residue Research||Collect 10 Branded Residues and bring them to Yasna. They drop from any Branded creatures in PoF maps.|
|Miasma Research||Use the Particle Collector from Yasna on a Brandstone Impact Site and then activate it. You obtain Particle Collector (Filled) which you return to her.|
|Powdered Gemstone Research||Collect 10 Powdered Rose Quartz from the Brandstone Chunks from the Brandstone impact site and bring them to Yasna.|
|Treatise on Astral Alignments||Speak to the renown heart NPC Archivist Salwa to enter the restricted archives. Take the Treatise on Astral Alignments and bring it to Yasna.|
|Mirror Calibration Readings||Complete the Defend Akili while he recalibrates mirrors around the Astralarium event at the Astralarium event and return to Yasna.|
|Blazing Kralkatite||Combining 10 Kralkatite Ore and 5 Powdered Rose Quartz at the Beam of Light at the top of The Astralarium.|
- Astral Purification — Unlocks after crafting an Astral weapon.