---
title: "S2-9 Episode 2 Drop Rates (JP server)"
description: "S2-9 Episode 2 drop rates on the JP server: Diketon 192.77%, Drill Battle Record 138.55%, Oriron Shard 27.71%; 83 samples (2020-01-16 until now). Sanity cost 12. Updated 2026-10-23. Crowdsourced Arknights drop data by Penguin Statistics."
lang: en
server: JP
zone_id: "main_2"
stage_id: "sub_02-09"
as_of: 2026-10-23T14:30:52Z
time_zone: UTC+9
rows: 10
rows_total: 10
canonical: "https://penguin-stats.io/en/result/jp/stage/main_2/sub_02-09"
api: "https://penguin-stats.io/PenguinStats/api/v2/result/matrix?server=JP&stageFilter=sub_02-09&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"
---

# S2-9 Episode 2 Drop Rates (JP server)

Server: [CN server](https://penguin-stats.io/en/result/cn/stage/main_2/sub_02-09.md) · [US server](https://penguin-stats.io/en/result/us/stage/main_2/sub_02-09.md) · **JP server** · [KR server](https://penguin-stats.io/en/result/kr/stage/main_2/sub_02-09.md)

Sanity: 12

Item drops of S2-9 Episode 2 on the JP server, by percentage, highest first

| Item | ID | Loots | Samples | Percentage | Sanity Required Per Item | Time Range |
| --- | --- | ---: | ---: | ---: | ---: | --- |
| [Diketon](https://penguin-stats.io/en/result/jp/item/30051.md) | `30051` | 160 | 83 | 192.77% | 6.23 | 2020-01-16 until now |
| [Drill Battle Record](https://penguin-stats.io/en/result/jp/item/2001.md) | `2001` | 115 | 83 | 138.55% | 8.66 | 2020-01-16 until now |
| [Oriron Shard](https://penguin-stats.io/en/result/jp/item/30041.md) | `30041` | 23 | 83 | 27.71% | 43.30 | 2020-01-16 until now |
| [Emergency Sanity Sampler](https://penguin-stats.io/en/result/jp/item/ap_supply_lt_010.md) | `ap_supply_lt_010` | 1 | 4 | 25.00% | 48.00 | 2023-10-24 to 2023-11-07 |
| [Rhodes Island Supplies V](https://penguin-stats.io/en/result/jp/item/randomMaterial_8.md) | `randomMaterial_8` | 1 | 4 | 25.00% | 48.00 | 2023-10-24 to 2023-11-07 |
| [Sugar Substitute](https://penguin-stats.io/en/result/jp/item/30021.md) | `30021` | 20 | 83 | 24.10% | 49.80 | 2020-01-16 until now |
| [Sugar](https://penguin-stats.io/en/result/jp/item/30022.md) | `30022` | 4 | 83 | 4.82% | 249.01 | 2020-01-16 until now |
| [Frontline Battle Record](https://penguin-stats.io/en/result/jp/item/2002.md) | `2002` | 3 | 83 | 3.61% | 332.04 | 2020-01-16 until now |
| [Oriron](https://penguin-stats.io/en/result/jp/item/30042.md) | `30042` | 2 | 83 | 2.41% | 497.93 | 2020-01-16 until now |
| [Polyketon](https://penguin-stats.io/en/result/jp/item/30052.md) | `30052` | 1 | 83 | 1.21% | 995.85 | 2020-01-16 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 23:30 (UTC+9). [Full data (JSON)](https://penguin-stats.io/PenguinStats/api/v2/result/matrix?server=JP&stageFilter=sub_02-09&show_closed_zones=true). License: [CC BY-NC 4.0](https://creativecommons.org/licenses/by-nc/4.0/)
