What to know
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Sketches of Innocence kicks off Carlys Fairytale of the Valley, featuring up to 7 photography missions tied to her story sketches.
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Capture operators in specific poses, factions, and spots like Worker Dorms and Valley Pass for rewards.
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Event runs from February 7 to February 24, 2026, offering Oroberyls, Marks of Perseverance, and exclusive portrait frames.
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Missions emphasize group formations, operator types like Caster, and environmental elements for completion.
The Sketches of Innocence event in Arknights: Endfield is a limited-time engagement that challenges players to use the game’s photography mechanics in specific ways. Split into seven distinct parts that unlock daily, these missions focus on positioning and team composition within the central hub. Completing these snapshots is one of the most efficient ways to stock up on Marks of Perseverance and T-Creds.
Key locations in the event
You’ll have to go to Worker Dorms at The Hub, Valley IV for the first sketch.

And Construction Site for the second sketch.

How to start Sketches of Innocence
Begin by checking Fionas messages to trigger the quest, then head to Worker Dorms to meet Carly. Accept her request to start the storybook, unlocking the camera missions tied to her fairytale stages.

Step-by-step for Sketches of Innocence 1
Step 1
Read Fionas messages in your inbox to learn about Carlys request.

Step 2
Travel to Worker Dorms via fast travel or on foot.
Step 3
Talk to Carly and agree to help with her storybook.

Step 4
Select ‘Enter Camera Mode’.

Step 5
Assemble team: Include Carly (auto), at least one Endfield faction operator, total 3+ operators.
Step 6
Enter photo mode at the designated spot, set Group Pose Formation to Row.

Then capture.

Step 7
Return to Carly, submit, and claim the rewards.
Step-by-step for Sketches of Innocence 2
Step 1
After mission 1, talk to Carly again to unlock the next sketch: Very Very Very Tall Tower.
Step 2
Add Perlica (or equivalent tall tower-themed operator) to your active team.

Step 3
Head to the tower location in Valley area.

Step 4
Position for 3+ operators, matching the sketch’s square emphasis.

Step 5
Snap in required formation, validate with Carly.

Event rewards
Complete the two camera missions will earn you the following rewards:
Princess who Escaped to the Concrete Jungle
- Oroberyl – x200
- Mark of Perseverance – x2
- T-Creds – x30K
- Advanced Combat Record – x30
Vey Very Very Tall Tower

- Oroberyl – x200
- T-Creds – x30K
- Protohedron – x25
- Protoprism – x25