How to Use Protodisk
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Protodisk is a Progression Material for Arknights: Endfield. Check out how to farm Protodisk, its location, how to use it, and its information, here!
List of Contents
How to Get Protodisk
Reward From Completing Protocol Space: Promotions
Protodisk is obtained as a reward for completing Protocol Space: Promotions at Threat Levels 1 or higher. You will need to use your Sanity to enter the rift and get the rewards from it!
Reward From Completing Various Missions
Progressing the story mission, side quests, and other mission type may reward you with Protodisk upon their completion. Make sure to get and complete all the mission to get a chance to obtain Protodisk.
Obtain Through Exploration
You can find Protodisk as you explore areas in Talos-II and open chests containing them.
Obtained as Event Rewards
Protodisk may also be obtained as a reward from any of the current events in the game. Note that most events only last for a limited time, so complete them before they're gone!
How to Use Protodisk
Used to Promote Characters
| Operator Promotion Materials | |
|---|---|
 Protodisk
|
 Protoset
|
Protodisk can be used to promote your Operators and increase their level cap alongside other materials.
List of All Characters
Protodisk Effects and Overview
Protodisk Information
|
Protodisk
|
Rarity | 3★ |
|---|---|---|
| Type | Operator Material |
A material that promotes operators to E1 or E2.
A special disk manufactured using Techno-Protocol and standard data etching processes. Often combined with other devices to improve physiological absorption of enhancement materials
Arknights: Endfield Related Guides
Items By Category
| All Items By Category | ||
|---|---|---|
| Progression Materials | Natural Resources | Gatherables |
| AIC Products | Usable Items | Mission Items |
| Valuables | Operator Gifts | |
All Progression Materials
 Blighted Jadeleaf Tuber
|
 False Aggela
|
 Triphasic Nanoflake
|
 D96 Steel Sample 4
|
 Cosmagaric
|
 Quadrant Fitting Fluid
|
 Metadiastima Photoemission Tube
|
 Advanced Cognitive Carrier
|
 Mark of Perseverance
|
 Bloodcap Mycelia
|
 Igneosite Seed
|
 Igneosite
|
 Tachyon Screening Lattice
|
 Blighted Jadeleaf
|
 Bloodcap
|
 Pink Bolete Mycelia
|
Protoset
|
 Protohedron
|
 Pink Bolete
|
 Red Bolete
|
 Ruby Bolete
|
 Kalkonyx Seed
|
 Kalkodendra Tuber
|
 Red Bolete Mycelia
|
 Elementary Cognitive Carrier
|
 Kalkodendra
|
 Heavy Cast Die
|
 Arms INSP Set
|
 Umbronyx Seed
|
 Umbronyx
|
 Auronyx Seed
|
 Auronyx
|
 Chrysodendra
|
 Vitrodendra
|
 Kalkonyx
|
 Arms INSP Kit
|
|
Protodisk
|
 Advanced Combat Record
|
 Protoprism
|
 Cast Die
|
 Arms Inspector
|
 Intermediate Combat Record
|
 Elementary Combat Record
|
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