Refined Solvent
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The Refined Solvent is an upgrade material in Arknights, introduced alongside Episode 09.
Item description
A special coating made from a specific formulation process. Can be used for high level upgrades.
A coating held together by high-molecule polymers. In addition to its baseline protective capabilities, it has also gained other special characteristics, of which heat resistance is but one of many.
Usage
The second of Solvent-type upgrade materials, these improved Semi-Synthetic Solvents are needed for the skill Mastery training and Elite 2 promotion of certain Operators introduced from Episode 09 onwards.
Acquisition
Store
Refined Solvents are available in:
- Distinctions Store (sometimes) for 15
. - Headhunting Parametric Model Store for 70
.
Special drops
| Operation | Sanity | Drop rate |
|---|---|---|
| 9-4 | 18 | Very Rare (~5%) |
| 9-18 | 21 | Very Rare (~5%) |
| 11-8 | 24 | Very Rare |
| 12-10 | 21 | Very Rare |
| 13-14 | 21 | Very Rare |
Workshop
| Product | Material(s) | LMD | Morale | Requires |
|---|---|---|---|---|
 1 |
 1  1  1 |
300 | 4 | Level 3 Workshop Clear 9-4 |
See also
- Semi-Synthetic Solvent – T3 counterpart