---
title: "Diketon Drop Rates (JP server)"
description: "Diketon drop rates on the JP server: R8-9 33.97% (1,107 samples), JT8-2 33.93% (1,005), 9-6 33.92% (1,819); 267 stages in total. Updated 2026-10-23. Crowdsourced Arknights drop data by Penguin Statistics."
lang: en
server: JP
item_id: "30051"
as_of: 2026-10-23T14:49:35Z
time_zone: UTC+9
rows: 50
rows_total: 267
canonical: "https://penguin-stats.io/en/result/jp/item/30051"
api: "https://penguin-stats.io/PenguinStats/api/v2/result/matrix?server=JP&itemFilter=30051&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"
---

# Diketon Drop Rates (JP server)

Server: [CN server](https://penguin-stats.io/en/result/cn/item/30051.md) · [US server](https://penguin-stats.io/en/result/us/item/30051.md) · **JP server** · [KR server](https://penguin-stats.io/en/result/kr/item/30051.md)

Drops of Diketon by stage on the JP server, by percentage, highest first: 50 of 267 stages

| Stage | ID | Loots | Samples | Percentage | Sanity Required Per Item | Sanity | Time Range |
| --- | --- | ---: | ---: | ---: | ---: | ---: | --- |
| [RI-3](https://penguin-stats.io/en/result/jp/stage/act12d0_zone1/act12d0_03.md) The Great Chief Returns | `act12d0_03` | 10 | 5 | 200.00% | 6.00 | 12 | 2021-02-25 to 2021-03-11 |
| [DH-5](https://penguin-stats.io/en/result/jp/stage/permanent_sidestory_9_zone1/act12side_05_perm.md) Dossoles Holiday - Side Story | `act12side_05_perm` | 2 | 1 | 200.00% | 6.00 | 12 | 2023-03-14 until now |
| [WD-2](https://penguin-stats.io/en/result/jp/stage/permanent_sub_2_zone1/act18d0_02_perm.md) A Walk in The Dust - Intermezzi | `act18d0_02_perm` | 2 | 1 | 200.00% | 6.00 | 12 | 2021-10-21 until now |
| [MT-1](https://penguin-stats.io/en/result/jp/stage/act42side_zone1/act42side_01.md) The Masses' Travels | `act42side_01` | 691 | 350 | 197.43% | 4.56 | 9 | 2025-10-14 to 2025-11-04 |
| [PV-1](https://penguin-stats.io/en/result/jp/stage/act38side_zone1/act38side_01.md) I Portatori dei Velluti | `act38side_01` | 146 | 75 | 194.67% | 4.62 | 9 | 2025-04-24 to 2025-05-15 |
| [MB-3](https://penguin-stats.io/en/result/jp/stage/permanent_sidestory_7_zone1/act15d0_03_perm.md) Mansfield Break - Side Story | `act15d0_03_perm` | 29 | 15 | 193.33% | 6.21 | 12 | 2022-06-09 until now |
| [S2-9](https://penguin-stats.io/en/result/jp/stage/main_2/sub_02-09.md) Episode 2 | `sub_02-09` | 160 | 83 | 192.77% | 6.23 | 12 | 2020-01-16 until now |
| [SS-1](https://penguin-stats.io/en/result/jp/stage/act45side_zone1/act45side_01.md) Somniloquium Serenum | `act45side_01` | 576 | 307 | 187.62% | 4.80 | 9 | 2026-02-10 to 2026-02-24 |
| [OR-1](https://penguin-stats.io/en/result/jp/stage/act40side_zone1/act40side_01.md) Such is the Joy of Our Reunion | `act40side_01` | 341 | 182 | 187.36% | 4.80 | 9 | 2025-07-17 to 2025-08-07 |
| [HS-3](https://penguin-stats.io/en/result/jp/stage/act31side_zone1/act31side_03.md) Here A People Sows | `act31side_03` | 13 | 7 | 185.71% | 4.85 | 9 | 2024-07-31 to 2024-08-21 |
| [MT-2](https://penguin-stats.io/en/result/jp/stage/act42side_zone1/act42side_02.md) The Masses' Travels | `act42side_02` | 218 | 120 | 181.67% | 4.95 | 9 | 2025-10-14 to 2025-11-04 |
| [AD-1](https://penguin-stats.io/en/result/jp/stage/act43side_zone1/act43side_01.md) Act or Die | `act43side_01` | 461 | 258 | 178.68% | 5.04 | 9 | 2025-11-13 to 2025-11-27 |
| [MT-3](https://penguin-stats.io/en/result/jp/stage/act42side_zone1/act42side_03.md) The Masses' Travels | `act42side_03` | 166 | 93 | 178.50% | 5.04 | 9 | 2025-10-14 to 2025-11-04 |
| [OR-2](https://penguin-stats.io/en/result/jp/stage/act40side_zone1/act40side_02.md) Such is the Joy of Our Reunion | `act40side_02` | 16 | 9 | 177.78% | 5.06 | 9 | 2025-07-17 to 2025-08-07 |
| [EP-1](https://penguin-stats.io/en/result/jp/stage/act39side_zone1/act39side_01.md) Exodus From The Pale Sea | `act39side_01` | 95 | 54 | 175.93% | 5.12 | 9 | 2025-06-05 to 2025-06-19 |
| [BI-5](https://penguin-stats.io/en/result/jp/stage/permanent_sidestory_11_zone1/act14side_05_perm.md) Break The Ice - Side Story | `act14side_05_perm` | 49 | 28 | 175.00% | 6.86 | 12 | 2023-06-27 until now |
| [OR-3](https://penguin-stats.io/en/result/jp/stage/act40side_zone1/act40side_03.md) Such is the Joy of Our Reunion | `act40side_03` | 87 | 52 | 167.31% | 5.38 | 9 | 2025-07-17 to 2025-08-07 |
| [HS-3](https://penguin-stats.io/en/result/jp/stage/act31sre_zone1/act31side_03_rep.md) Here A People Sows - Rerun | `act31side_03_rep` | 5 | 3 | 166.67% | 5.40 | 9 | 2025-07-03 to 2025-07-13 |
| [SS-2](https://penguin-stats.io/en/result/jp/stage/act45side_zone1/act45side_02.md) Somniloquium Serenum | `act45side_02` | 23 | 14 | 164.29% | 5.48 | 9 | 2026-02-10 to 2026-02-24 |
| [BB-2](https://penguin-stats.io/en/result/jp/stage/act33side_zone1/act33side_02.md) Babel | `act33side_02` | 78 | 48 | 162.50% | 5.54 | 9 | 2024-10-10 to 2024-11-01 |
| [AD-2](https://penguin-stats.io/en/result/jp/stage/act43side_zone1/act43side_02.md) Act or Die | `act43side_02` | 49 | 31 | 158.06% | 5.69 | 9 | 2025-11-13 to 2025-11-27 |
| [SA-2](https://penguin-stats.io/en/result/jp/stage/act7d5_zone1/act7d5_02.md) Stories of Afternoon | `act7d5_02` | 3 | 2 | 150.00% | 6.00 | 9 | 2020-08-26 to 2020-09-09 |
| [ZT-1](https://penguin-stats.io/en/result/jp/stage/act29side_zone1/act29side_01.md) Zwillingstürme im Herbst | `act29side_01` | 115 | 85 | 135.29% | 6.65 | 9 | 2024-04-30 to 2024-05-21 |
| [PV-3](https://penguin-stats.io/en/result/jp/stage/act38side_zone1/act38side_03.md) I Portatori dei Velluti | `act38side_03` | 277 | 247 | 112.15% | 8.03 | 9 | 2025-04-24 to 2025-05-15 |
| [WR-6](https://penguin-stats.io/en/result/jp/stage/act9sre_zone1/act16d5_06_rep.md) Who Is Real - Rerun | `act16d5_06_rep` | 5 | 5 | 100.00% | 12.00 | 12 | 2022-07-14 to 2022-07-24 |
| [MB-2](https://penguin-stats.io/en/result/jp/stage/act8sre_zone1/act15d0_02_rep.md) Mansfield Break - Rerun | `act15d0_02_rep` | 3 | 3 | 100.00% | 9.00 | 9 | 2022-05-26 to 2022-06-05 |
| [DM-3](https://penguin-stats.io/en/result/jp/stage/act17d5_zone1/act9d0_03_rep.md) Darknights Memoir - Rerun | `act9d0_03_rep` | 3 | 3 | 100.00% | 12.00 | 12 | 2021-09-07 to 2021-09-17 |
| [MB-2](https://penguin-stats.io/en/result/jp/stage/act15d0_zone1/act15d0_02.md) Mansfield Break | `act15d0_02` | 2 | 2 | 100.00% | 9.00 | 9 | 2021-06-22 to 2021-07-06 |
| [RI-3](https://penguin-stats.io/en/result/jp/stage/act6sre_zone1/act12d0_03_rep.md) The Great Chief Returns - Rerun | `act12d0_03_rep` | 1 | 1 | 100.00% | 12.00 | 12 | 2022-02-04 to 2022-02-14 |
| [AW-4](https://penguin-stats.io/en/result/jp/stage/act12mini_zone1/act12mini_04.md) An Obscure Wanderer | `act12mini_04` | 1 | 1 | 100.00% | 12.00 | 12 | 2023-03-31 to 2023-04-07 |
| [IW-1](https://penguin-stats.io/en/result/jp/stage/act15side_zone1/act15side_01.md) Invitation to Wine | `act15side_01` | 1 | 1 | 100.00% | 9.00 | 9 | 2022-07-29 to 2022-08-12 |
| [IW-2](https://penguin-stats.io/en/result/jp/stage/act15side_zone1/act15side_02.md) Invitation to Wine | `act15side_02` | 1 | 1 | 100.00% | 9.00 | 9 | 2022-07-29 to 2022-08-12 |
| [GA-3](https://penguin-stats.io/en/result/jp/stage/act16side_zone1/act16side_03.md) Guide Ahead | `act16side_03` | 1 | 1 | 100.00% | 9.00 | 9 | 2022-09-16 to 2022-09-30 |
| [DV-2](https://penguin-stats.io/en/result/jp/stage/act19side_zone1/act19side_02.md) Dorothy's Vision | `act19side_02` | 1 | 1 | 100.00% | 9.00 | 9 | 2023-03-14 to 2023-03-28 |
| [FC-2](https://penguin-stats.io/en/result/jp/stage/act22side_zone1/act22side_02.md) What The Firelight Casts | `act22side_02` | 1 | 1 | 100.00% | 9.00 | 9 | 2023-07-13 to 2023-07-27 |
| [13-11](https://penguin-stats.io/en/result/jp/stage/main_13_tough/tough_13-09.md) Episode 13 (Tough) | `tough_13-09` | 1 | 1 | 100.00% | 24.00 | 24 | 2024-03-19 until now |
| [14-3](https://penguin-stats.io/en/result/jp/stage/main_14_tough/tough_14-02.md) Episode 14 (Tough) | `tough_14-02` | 1 | 1 | 100.00% | 21.00 | 21 | 2024-10-31 to 2024-11-14 |
| [1-6](https://penguin-stats.io/en/result/jp/stage/main_1/main_01-06.md) Episode 1 | `main_01-06` | 179 | 199 | 89.95% | 6.67 | 6 | 2020-01-16 until now |
| [TG-2](https://penguin-stats.io/en/result/jp/stage/act16mini_zone1/act16mini_02.md) To the Grinning Valley | `act16mini_02` | 7 | 8 | 87.50% | 10.29 | 9 | 2024-07-09 to 2024-07-16 |
| [15-20](https://penguin-stats.io/en/result/jp/stage/main_15/main_15-18.md) Episode 15 | `main_15-18` | 10 | 12 | 83.33% | 28.80 | 24 | 2025-09-30 until now |
| [DM-3](https://penguin-stats.io/en/result/jp/stage/act9d0_zone1/act9d0_03.md) Darknights Memoir | `act9d0_03` | 14 | 17 | 82.35% | 14.57 | 12 | 2020-12-10 to 2020-12-31 |
| [14-2](https://penguin-stats.io/en/result/jp/stage/main_14_tough/tough_14-01.md) Episode 14 (Tough) | `tough_14-01` | 192 | 240 | 80.00% | 26.25 | 21 | 2024-10-31 to 2024-11-14 |
| [OD-1](https://penguin-stats.io/en/result/jp/stage/act17d0_zone1/act17d0_01.md) Operation Originium Dust | `act17d0_01` | 4 | 5 | 80.00% | 15.00 | 12 | 2021-08-18 to 2021-09-01 |
| [14-2](https://penguin-stats.io/en/result/jp/stage/main_14/main_14-01.md) Episode 14 (Standard) | `main_14-01` | 11 | 14 | 78.57% | 26.73 | 21 | 2024-10-31 to 2024-11-14 |
| [ZT-3](https://penguin-stats.io/en/result/jp/stage/act29side_zone1/act29side_03.md) Zwillingstürme im Herbst | `act29side_03` | 224 | 289 | 77.51% | 11.61 | 9 | 2024-04-30 to 2024-05-21 |
| [WR-6](https://penguin-stats.io/en/result/jp/stage/act16d5_zone1/act16d5_06.md) Who Is Real | `act16d5_06` | 3 | 4 | 75.00% | 16.00 | 12 | 2021-07-30 to 2021-08-13 |
| [BI-2](https://penguin-stats.io/en/result/jp/stage/act14sre_zone1/act14side_02_rep.md) Break The Ice - Rerun | `act14side_02_rep` | 4 | 6 | 66.67% | 13.50 | 9 | 2023-06-13 to 2023-06-23 |
| [9-11](https://penguin-stats.io/en/result/jp/stage/main_9/main_09-09.md) Episode 9 | `main_09-09` | 2 | 3 | 66.67% | 27.00 | 18 | 2022-03-17 until now |
| [10-9](https://penguin-stats.io/en/result/jp/stage/main_10_tough/tough_10-08.md) Episode 10 (Tough) | `tough_10-08` | 11 | 19 | 57.89% | 36.27 | 21 | 2022-10-19 until now |
| [15-18](https://penguin-stats.io/en/result/jp/stage/main_15/main_15-16.md) Episode 15 | `main_15-16` | 8 | 14 | 57.14% | 36.75 | 21 | 2025-09-30 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 23:49 (UTC+9). [Full data (JSON)](https://penguin-stats.io/PenguinStats/api/v2/result/matrix?server=JP&itemFilter=30051&show_closed_zones=true). License: [CC BY-NC 4.0](https://creativecommons.org/licenses/by-nc/4.0/)

## Related Items

- [Keton Colloid](https://penguin-stats.io/en/result/jp/item/30054.md) `30054`
- [Aketon](https://penguin-stats.io/en/result/jp/item/30053.md) `30053`
- [Polyketon](https://penguin-stats.io/en/result/jp/item/30052.md) `30052`