 | Name | 最终谜题！秘藏至今的答案 |
| Type | Event Quests | |
| Series | Son Bilmece: Açığa Çıkan Bir Sır: Yaz Ortası Ada Macerası: Bölüm IV | |
| Description | 经过共同努力，一行人找到了解除最终机关的方法。真相变得触手可及，然而，可莉却十分紧张。一直以来静静存在着的答案，究竟是…？ | |
| Previous | 海中魔王！静候已久之人 | |
| Involved NPC | Paimon, Klee, Barbara, Albedo, Jean, Kaeya, Diluc, Razor, Alice |
| Table of Content |
| Rewards |
| Objectives |
| Dialogues |
Rewards
| Icon | Name | Rarity | Family | Amount |
 | Köken Taşı | 5 | x 60 | |
 | Kahramanın Bilgeliği | 4 | x 3 | |
 | Mora | 3 | x 30000 | |
| items per Page |
|
Objectives
| Num | Objectives | Summary Update |
| #1 | 休息至翌日清晨（次日早6点-8点） | |
| #2 | 回到巨大海螺旁 | |
| #3 | 抓住鱼获取鳞片 | |
| #4 | 抓住鱼获取鳞片 | |
| #5 | 抓住鱼获取鳞片 | |
| #6 | 回到装置旁与可莉对话 | |
| #7 | 放置鳞片 | |
| #8 | 与可莉对话 | |
| #9 | 与可莉对话 |
Dialogues
休息至翌日清晨（次日早6点-8点） |
回到巨大海螺旁Barbara, Jean, Klee, PaimonAudio Language: |
抓住鱼获取鳞片 |
回到装置旁与可莉对话Klee, Paimon, JeanAudio Language: |
放置鳞片 |
与可莉对话Paimon, Klee, Barbara, Albedo, Jean, Kaeya, Diluc, RazorAudio Language: |
Jean, Barbara, Albedo, Klee, Alice, Paimon, Kaeya, RazorAudio Language: |
an E stance change and a burst nuke, groundbreaking kit.