---
title: "S2-7 Episode 2 Drop Rates (CN server)"
description: "S2-7 Episode 2 drop rates on the CN server: Ester 249.84%, Drill Battle Record 125.31%, Orirock 41.51%; 11,831 samples (2019-05-01 until now). Sanity cost 12. Updated 2026-10-23. Crowdsourced Arknights drop data by Penguin Statistics."
lang: en
server: CN
zone_id: "main_2"
stage_id: "sub_02-07"
as_of: 2026-10-23T14:49:33Z
time_zone: UTC+8
rows: 12
rows_total: 12
canonical: "https://penguin-stats.io/en/result/cn/stage/main_2/sub_02-07"
api: "https://penguin-stats.io/PenguinStats/api/v2/result/matrix?server=CN&stageFilter=sub_02-07&show_closed_zones=true"
license: CC BY-NC 4.0
license_url: https://creativecommons.org/licenses/by-nc/4.0/
attribution: "Data: Penguin Statistics (penguin-stats.io), CC BY-NC 4.0"
---

# S2-7 Episode 2 Drop Rates (CN server)

Server: **CN server** · [US server](https://penguin-stats.io/en/result/us/stage/main_2/sub_02-07.md) · [JP server](https://penguin-stats.io/en/result/jp/stage/main_2/sub_02-07.md) · [KR server](https://penguin-stats.io/en/result/kr/stage/main_2/sub_02-07.md)

Sanity: 12

Item drops of S2-7 Episode 2 on the CN server, by percentage, highest first

| Item | ID | Loots | Samples | Percentage | Sanity Required Per Item | Time Range |
| --- | --- | ---: | ---: | ---: | ---: | --- |
| [Ester](https://penguin-stats.io/en/result/cn/item/30031.md) | `30031` | 29559 | 11831 | 249.84% | 4.80 | 2019-05-01 until now |
| [Drill Battle Record](https://penguin-stats.io/en/result/cn/item/2001.md) | `2001` | 14826 | 11831 | 125.31% | 9.58 | 2019-05-01 until now |
| [Orirock](https://penguin-stats.io/en/result/cn/item/30011.md) | `30011` | 4911 | 11831 | 41.51% | 28.91 | 2019-05-01 until now |
| [Rhodes Island Supplies IV](https://penguin-stats.io/en/result/cn/item/randomMaterial_7.md) | `randomMaterial_7` | 7 | 39 | 17.95% | 66.86 | 2022-10-11 to 2022-10-25 |
| [Rhodes Island Supplies V](https://penguin-stats.io/en/result/cn/item/randomMaterial_8.md) | `randomMaterial_8` | 17 | 103 | 16.50% | 72.71 | 2023-04-06 to 2023-04-20 |
| [Damaged Device](https://penguin-stats.io/en/result/cn/item/30061.md) | `30061` | 1921 | 11831 | 16.24% | 73.91 | 2019-05-01 until now |
| [Emergency Sanity Sampler](https://penguin-stats.io/en/result/cn/item/ap_supply_lt_010.md) | `ap_supply_lt_010` | 12 | 103 | 11.65% | 103.00 | 2023-04-06 to 2023-04-20 |
| [Pure Gold](https://penguin-stats.io/en/result/cn/item/3003.md) | `3003` | 1218 | 11831 | 10.29% | 116.56 | 2019-05-01 until now |
| [Orirock Cube](https://penguin-stats.io/en/result/cn/item/30012.md) | `30012` | 255 | 11831 | 2.15% | 556.84 | 2019-05-01 until now |
| [Polyester](https://penguin-stats.io/en/result/cn/item/30032.md) | `30032` | 178 | 11831 | 1.50% | 797.34 | 2019-05-01 until now |
| [Furniture](https://penguin-stats.io/en/result/cn/item/furni.md) | `furni` | 126 | 11831 | 1.06% | 1126.76 | 2019-05-01 until now |
| [Device](https://penguin-stats.io/en/result/cn/item/30062.md) | `30062` | 103 | 11831 | 0.87% | 1377.73 | 2019-05-01 until now |

Samples: runs of the stage reported in the time range. Loots: total number of the item dropped in those runs. Percentage = Loots ÷ Samples, the expected number dropped per run, which can exceed 100%. Sanity Required Per Item = Sanity ÷ Percentage. Time Range: since the drop table of the stage last changed.

Updated 2026-10-23 22:49 (UTC+8). [Full data (JSON)](https://penguin-stats.io/PenguinStats/api/v2/result/matrix?server=CN&stageFilter=sub_02-07&show_closed_zones=true). License: [CC BY-NC 4.0](https://creativecommons.org/licenses/by-nc/4.0/)