Terra Archive
Arknights fansite
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What's New
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Stronghold Protocol
25 days left
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Handbook
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Simulators
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Integrated Strategies
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Phantom & Crimson Solitaire
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Mizuki & Caerula Arbor
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Expeditioner's Jǫklumarkar
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Sarkaz's Furnaceside Fables
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Sui's Garden of Grotesqueries
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Blackflow Forest of the Sunken
Future
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Reclamation Algorithm
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Tales Within the Sand
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Reboot Anchor (CN)
Future
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Stronghold Protocol
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Season 2
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Season 1
Ended
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Story
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About Terra Archive
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Official Streams
Include future data
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Terra Archive
An Arknights fansite — pick a tool and dive in.
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Base Auto-Planner
Enter your roster and it auto-builds your RIIC base layout.
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Ongoing events
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Story
Event stories as AI digests and full scripts.
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About Terra Archive
What each tool is and when to use it.
Guides
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Integrated Strategies
Floor nodes, enemy handbook, relics, and ending requirements by difficulty
❂
Reclamation Algorithm
Recipes, crafting materials, areas and encounter choices
♟
Stronghold Protocol
Operators by alliance, garrison abilities, training enemies and Supply Center numbers
Handbook
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Operator Archive
Operator database you can filter and search by faction, class, tag, and synergy.
⊗
Enemies
Stats, abilities and immunities for 1,500+ enemies, plus where they appear
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Stage Handbook
Terrain layouts, enemies and drops for 2,200+ stages
Simulators
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Public Recruitment Helper
Find guaranteed and high-rarity operators from recruitment tag combos.
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Material Farming Helper
Best farming stages and sanity efficiency for Elite materials
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Upgrade Sim
Calculate the LMD and materials needed to upgrade operators, step by step
▶
Stage Simulator
Replay when, where and how every enemy moves
💬 Feedback
Terra ArchiveArknights fansiteStronghold Protocol25 days left