WHERE & HOW TO FARM Where to farm Main Theme → Episode 17 operation map.
After the Episode 17 gate is met, the chapter map offers a sequence of operations from 17-1 through 17-21. Clear available stages to reveal further progression. This route is for story advancement; when seeking a material or temporary event currency, inspect the selected operation’s current reward preview before using Sanity.
Before you go Episode 17 unlocked by the currently applicable Global story gate. The next operation available on the chapter map. Sanity and a squad capable of meeting its clear condition. Open Episode 17 and identify the next available numbered operation. Inspect the stage map, enemies, and completion condition. Choose a squad that covers the previewed threats and objective. Use a Practice Plan if you need to test deployment before a live clear. Enter the operation and complete its displayed condition. Claim the results and return to the episode map. Continue to the next unlocked operation, or select a specific stage only after checking its rewards. Farming tips Use the chapter map’s availability to guide progression; later operations may require earlier clears. Episode 17 progress persists after the temporary access promotion ends. Repeat, collect and use Story progression is completed once; cleared operations may be replayed while available for rewards shown in their previews.
Common mistakes Assuming the temporary access gate is permanent; the Global gate changes after October 28, 2026. Replaying a stage for a material not shown in its reward preview; verify before farming. Skipping the clear condition; prepare for the objective listed on the operation page. When to stop or switch Stop at your chosen story milestone or switch to a targeted farming activity when chapter progression is not your current goal.
Sources & fact checks REWARD DETAILS & CONDITIONS Sources & rewards All source types Farming route Farming priority Name A–Z Drop chance
Farming route Main Theme → Episode 17 operation map.
Episode 17 unlocked by the currently applicable Global story gate. The next operation available on the chapter map. Sanity and a squad capable of meeting its clear condition. Rate not listed
Related guides More guides for gathering materials and making progress.
Guide illustration Arknights Main Story and Stage Progression Open the permanent Episode 17 map using the Global story gate currently in effect.
Guide illustration Arknights Main Story and Stage Progression Clear 17-17 to continue permanent Episode 17 progression and reveal subsequent operations when available.
Find another guide Keep making progress in Arknights.
