Quick answer: Remnant Spark Cube is found in Pangzhen, near the Myst’s Tavern bell, as a reward or pickup in the world. It increases the damage of all Phantom Edges by 12%.
Where to find Remnant Spark Cube
Rest at the Myst’s Tavern bell before you go looking. Bells work as fast travel and respawn points, so if you die along the way, you come back close to the item. The Pangzhen interactive map marks the Remnant Spark Cube with a pin, and clicking that pin brings up its details.
Remnant Spark Cube item card and effect
Remnant Spark Cube is an “Offensive” accessory. Its effect line reads “Increases the damage of all Phantom Edges by 12%.” The item description reads:
“Restored to wholeness by Myst, this Remnant Spark Cube can no longer be returned to the vessel that once voyaged beyond the heavens. Even so, it remains more than capable of aiding in the control of Phantom Edges.”
How to polish Remnant Spark Cube
To polish accessories, visit Jewel. Each polish uses Remnant Dust and one crystal material, and boosts the numbers unless its polish line specifies otherwise.
| Polish | Effect | Remnant Dust | Material |
|---|---|---|---|
| Polish 1 | “Increases the damage of all Phantom Edges by 18%.” | 21,824 | Tainted Crystal Shard |
| Polish 2 | “Increases the damage of all Phantom Edges by 25%.” | 32,736 | Refined Indigo Crystal |
Quick Hand Zhang sells the Tainted Crystal Shard for 7,440 Remnant Dust, and it can also be found in the world.
The Refined Indigo Crystal costs 9,920 Remnant Dust from Quick Hand Zhang at his Village of Lu, Pangzhen, Meigu Lake and Mirage Estate hideouts. You can also find one in Mirrorwood Depths in the Crimson Forest.
What Remnant Spark Cube is good for
Equipping the Remnant Spark Cube gives every Phantom Edge 12% more damage. The first polish raises the bonus to 18%, and the second to 25%, making it a strong match for builds centered on Phantom Edges. The weapons and Phantom Edges list shows which options benefit, while how to restore Remnant Spark explains the Remnant Spark system.
Three accessory slots are open from the start, so the Cube can be equipped with other choices from the full accessories list.
