Ester is an upgrade material in Arknights.
Description
- Ester used in industrial production. Can be used for a variety of upgrades and for production in the Factory.
- One of the most important materials in modern industry. Its appearance has lead to the development of many modern products. This one, of course, is only a raw material that has practical application.
Usage
The first of the Ester-type upgrade materials, these organic substances have many uses, one of which includes Operator basic skill upgrades.
Acquisition
Store
- Two Esters are sometimes available at the Credit Store for the base price of 120
.
- Eight Esters are available at the Headhunting Parametric Model Store for 25
.
Regular drops
As seen on the table above, the best operation to farm Ester is S2-7.
Extra drops
Trivia
- In our world, ester is a high-quality solvent typically used in the production of plastics and resins, as well as synthetic lubricants.
See also
- Polyester – T2 counterpart
- Polyester Pack – T3 counterpart
- Polyester Lump – T4 counterpart