---
title: "15-17 Episode 15 Drop Rates (KR server)"
description: "15-17 Episode 15 drop rates on the KR server: Orirock Cluster 51.80%, Sugar 19.60%, Frontline Battle Record 16.50%; 3,878 samples (2025-09-30 until now). Sanity cost 21. Updated 2026-10-24. Crowdsourced Arknights drop data by Penguin Statistics."
lang: en
server: KR
zone_id: "main_15"
stage_id: "main_15-15"
as_of: 2026-10-24T00:13:57Z
time_zone: UTC+9
rows: 16
rows_total: 16
canonical: "https://penguin-stats.io/en/result/kr/stage/main_15/main_15-15"
api: "https://penguin-stats.io/PenguinStats/api/v2/result/matrix?server=KR&stageFilter=main_15-15&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"
---

# 15-17 Episode 15 Drop Rates (KR server)

Server: [CN server](https://penguin-stats.io/en/result/cn/stage/main_15/main_15-15.md) · [US server](https://penguin-stats.io/en/result/us/stage/main_15/main_15-15.md) · [JP server](https://penguin-stats.io/en/result/jp/stage/main_15/main_15-15.md) · **KR server**

Sanity: 21

Item drops of 15-17 Episode 15 on the KR server, by percentage, highest first

| Item | ID | Loots | Samples | Percentage | Sanity Required Per Item | Time Range |
| --- | --- | ---: | ---: | ---: | ---: | --- |
| [Orirock Cluster](https://penguin-stats.io/en/result/kr/item/30013.md) | `30013` | 2009 | 3878 | 51.80% | 40.54 | 2025-09-30 until now |
| [Sugar](https://penguin-stats.io/en/result/kr/item/30022.md) | `30022` | 760 | 3878 | 19.60% | 107.15 | 2025-09-30 until now |
| [Frontline Battle Record](https://penguin-stats.io/en/result/kr/item/2002.md) | `2002` | 640 | 3878 | 16.50% | 127.25 | 2025-09-30 until now |
| [Oriron](https://penguin-stats.io/en/result/kr/item/30042.md) | `30042` | 620 | 3878 | 15.99% | 131.35 | 2025-09-30 until now |
| [Sugar Substitute](https://penguin-stats.io/en/result/kr/item/30021.md) | `30021` | 413 | 3878 | 10.65% | 197.18 | 2025-09-30 until now |
| [Drill Battle Record](https://penguin-stats.io/en/result/kr/item/2001.md) | `2001` | 376 | 3878 | 9.70% | 216.58 | 2025-09-30 until now |
| [Oriron Shard](https://penguin-stats.io/en/result/kr/item/30041.md) | `30041` | 357 | 3878 | 9.21% | 228.11 | 2025-09-30 until now |
| [Tactical Battle Record](https://penguin-stats.io/en/result/kr/item/2003.md) | `2003` | 252 | 3878 | 6.50% | 323.18 | 2025-09-30 until now |
| [Orirock Concentration](https://penguin-stats.io/en/result/kr/item/30014.md) | `30014` | 226 | 3878 | 5.83% | 360.33 | 2025-09-30 until now |
| [Sugar Pack](https://penguin-stats.io/en/result/kr/item/30023.md) | `30023` | 110 | 3878 | 2.84% | 740.22 | 2025-09-30 until now |
| [Transmuted Salt](https://penguin-stats.io/en/result/kr/item/31063.md) | `31063` | 65 | 3878 | 1.68% | 1252.98 | 2025-09-30 until now |
| [Oriron Cluster](https://penguin-stats.io/en/result/kr/item/30043.md) | `30043` | 60 | 3878 | 1.55% | 1357.47 | 2025-09-30 until now |
| [Furniture](https://penguin-stats.io/en/result/kr/item/furni.md) | `furni` | 58 | 3878 | 1.50% | 1403.74 | 2025-09-30 until now |
| [Coagulative Nodule](https://penguin-stats.io/en/result/kr/item/31093.md) | `31093` | 57 | 3878 | 1.47% | 1428.57 | 2025-09-30 until now |
| [Manganese Ore](https://penguin-stats.io/en/result/kr/item/30083.md) | `30083` | 51 | 3878 | 1.31% | 1596.96 | 2025-09-30 until now |
| [Incandescent Alloy](https://penguin-stats.io/en/result/kr/item/31023.md) | `31023` | 47 | 3878 | 1.21% | 1732.67 | 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 2026-10-24 09:13 (UTC+9). [Full data (JSON)](https://penguin-stats.io/PenguinStats/api/v2/result/matrix?server=KR&stageFilter=main_15-15&show_closed_zones=true). License: [CC BY-NC 4.0](https://creativecommons.org/licenses/by-nc/4.0/)