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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[]

Regular drops[]

Operation Sanity Drop rate Sanity per drop
0-11 6 Guaranteed (~111%) ~5
S2-7 12 Guaranteed (~251%) ~4
GT-1 9 Guaranteed
AF-1 6 Guaranteed
TW-2 9 Guaranteed
DM-2 9 Guaranteed
RI-2 9 Common
MN-3 12 Guaranteed
MB-2 9 Guaranteed
WR-2 9 Guaranteed
OD-1 12 Uncommon
OD-2 12 Uncommon
WD-1 12 Uncommon
WD-2 12 Uncommon
SV-1 12 Uncommon
SV-2 12 Uncommon
NL-1 9 Rare
NL-2 9 Rare
NL-3 9 Rare
BI-1 9 Rare
BI-2 9 Rare
BI-3 9 Rare
IW-1 9 Rare
IW-2 9 Rare
IW-3 9 Rare
TB-1 9 Rare
TB-2 9 Rare
TB-3 12 Uncommon
TB-4 12 Uncommon
GA-1 9 Rare
GA-2 9 Rare
GA-3 9 Rare
SN-1 9 Rare
SN-2 9 Rare
SN-3 9 Rare
LE-1 9 Rare
LE-2 9 Rare
IC-1 9 Rare
IC-2 9 Rare
TC-1 9 Common
TC-3 12 Guaranteed
DV-1 9 Rare
DV-2 9 Rare
AW-1 9 Rare
AW-2 9 Rare
AW-3 12 Uncommon
AW-4 12 Uncommon
BW-1 9 Rare
BW-2 9 Rare
BW-3 12 Uncommon
BW-4 12 Uncommon
IS-1 9 Rare
IS-2 9 Rare
IS-3 9 Rare
FC-1 9 Rare
FC-2 9 Rare
WB-1 9 Rare
WB-2 9 Rare
WB-3 9 Rare
DC-1 9 Rare
DC-2 9 Rare
DC-3 12 Uncommon
DC-4 12 Uncommon

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[]