What can you do as a free member?

Member benefits illustration

Create your free account today and unlock all our premium features and tools to enhance your gaming experience.

Member benefits illustration

Create your free account today and save articles to your watchlist and get notified when they're updated with new information.

Member benefits illustration

Create your free account today and save your favorite games for quick access later, synced across all your devices.

Member benefits illustration

By creating a Game8 account and logging in, you'll receive instant notifications when someone replies to your posts.

Comment rating feature illustration

By creating a Game8 account and logging in, you can make use of convenient features in the comments section, such as rating and sorting comments.

Premium archive feature illustration

By creating a Game8 account and logging in, you can access Premium articles that are exclusively available to members.

Site Interface

Guest
Free Member
Article Watchlist
Game Bookmarks
Cross-device Sync
Light/Dark Theme Toggle
User Profiles
Direct Feedback
Comment Rating

Game Tools

Guest
Free Member
Interactive Map Access
Interactive Map Pins
Interactive Map Comments
Interactive Map Pins Cross-Device
Check List
Event Choice Checker
Deck Builder Cross-Device
Message Board Notification
Message Board Cross-Device
Build Planner
Stat Calculator
Diagnostic Tool
Weapon/Armor Wishlist

Want more information?Learn more

Arknights: Endfield

How to Use Protoprism

Add to Watchlist

✪ Follow the Game8 Endfield Twitter for daily tips!
★ Get freebies with codes, pre-reg, & Final Prep
★ Best Builds: Laevatain, Ardelia, & Gilberta
★ Make your own tier list - contest is ongoing!
★ Hot: Rerolling | Gacha | Dailies | Team Building
┗ Top Up Guide | AIC Blueprints | Stock Market

Protoprism is a Progression Material for Arknights: Endfield. Check out how to farm Protoprism, its location, how to use it, and its information, here!

List of Contents

How to Get Protoprism

Reward From Completing Protocol Space: Skill Up

Protoprism is obtained as a reward for completing Protocol Space: Skill Up 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 Protoprism upon their completion. Make sure to get and complete all the mission to get a chance to obtain Protoprism.

List of All Missions

Obtain Through Exploration

Arknights Endfield - Is Talos-II an Open World
You can find Protoprism as you explore areas in Talos-II and open chests containing them.

Endfield Interactive Map

How to Use Protoprism

Used to Upgrade Character Skills

Operator Skill Upgrade Materials
Endfield - Protoprism Protoprism Endfield - Protohedron Protohedron

Protoprism can be used to increase your Character's Skills alongside other materials!

List of All Characters

Protoprism Effects and Overview

Protoprism Information

Arknights Endfield - ProtoprismProtoprism Rarity 3★
Type Operator Material
Effect
A material that upgrades operator Skills.

A special disk set manufactured using Techno-Protocol and advanced data etching processes. Often combined with other devices to improve physiological absorption of enhancement materials.

Arknights: Endfield Related Guides

Arknights Endfield - Items

List of All Items

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 ItemBlighted Jadeleaf Tuber Triphasic Nanoflake ItemTriphasic Nanoflake D96 Steel Sample 4 ItemD96 Steel Sample 4
Cosmagaric ItemCosmagaric Quadrant Fitting Fluid ItemQuadrant Fitting Fluid Metadiastima Photoemission Tube ItemMetadiastima Photoemission Tube
Advanced Cognitive Carrier ItemAdvanced Cognitive Carrier Mark of Perseverance ItemMark of Perseverance Bloodcap Mycelia ItemBloodcap Mycelia
Igneosite Seed ItemIgneosite Seed Igneosite ItemIgneosite Tachyon Screening Lattice ItemTachyon Screening Lattice
Blighted Jadeleaf ItemBlighted Jadeleaf Bloodcap ItemBloodcap Auronyx Seed ItemAuronyx Seed
Kalkodendra Tuber ItemKalkodendra Tuber Red Bolete Mycelia ItemRed Bolete Mycelia Ruby Bolete ItemRuby Bolete
Elementary Cognitive Carrier ItemElementary Cognitive Carrier Heavy Cast Die ItemHeavy Cast Die Arms INSP Set ItemArms INSP Set
Kalkonyx Seed ItemKalkonyx Seed Red Bolete ItemRed Bolete Umbronyx Seed ItemUmbronyx Seed
Umbronyx ItemUmbronyx Auronyx ItemAuronyx Kalkodendra ItemKalkodendra
Pink Bolete ItemPink Bolete Chrysodendra ItemChrysodendra Vitrodendra ItemVitrodendra
Protohedron ItemProtohedron Kalkonyx ItemKalkonyx Pink Bolete Mycelia ItemPink Bolete Mycelia
Protoset ItemProtoset Cast Die ItemCast Die Protoprism ItemProtoprism
Arms INSP Kit ItemArms INSP Kit Protodisk ItemProtodisk Advanced Combat Record ItemAdvanced Combat Record
Arms Inspector ItemArms Inspector Intermediate Combat Record ItemIntermediate Combat Record Elementary Combat Record ItemElementary Combat Record

Comment

Post (0 Comments)

Author

Arknights: Endfield Walkthrough Team
This article was created by Game8's elite team of writers and gamers.
    Leave feedback(Login required)
    Tell Us More About You!

    Rankings

    Popular Articles
    Message Board

    Gaming News

    Dynasty Warriors: Origins Review [Switch 2] | A True Port of the Three Kingdoms

    Dynasty Warriors: Origins Review [Switch 2]

    Popular Games

    Recommended Games

    All rights reserved

    Copyright © 2022 - 2025 GRYPHLINE. All Rights Reserved.

    The copyrights of videos of games used in our content and other intellectual property rights belong to the provider of the game.
    The contents we provide on this site were created personally by members of the Game8 editorial department.
    We refuse the right to reuse or repost content taken without our permission such as data or images to other sites.

    Arknights: Endfield Walkthrough & Guides Wiki

    Quick Access
    Guide Index

    Tier Lists and Meta Guides

    Tools

    Latest News and Updates

    Redeem Codes

    Recommended Guides

    Characters Guides

    All Characters

    All Non-Playable Characters

    Characters By Rarity

    Chracters by Role

    Characters by Weapon

    Characters by Element

    Characters by Gender

    Interactive Map

    Valley IV

    Weapon Guides

    Weapons by Type

    Weapons by Rarity

    Banners

    Tips and Tricks

    Achievements

    Items

    Regional Development Guides

    AIC (Factory)

    AIC Tips and Tricks

    AIC Facilities by Type

    All Events

    All Missions

    All Main Missions

    All Side Missions

    All Operator Side Missions

    All Exploration Missions

    Gear and Gear Sets

    Gear by Rarity

    Message Boards