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Genshin Impact
Spectral Secrets Preliminary Investigations and Expeditions
◆ New: Tier List Maker and Community Tier List Contest!
◆ Hot: 6.2 Luna 3, Luna 3 Maintenance, Luna 3 Codes
◆ Featured: Durin, Jahoda, Venti, Varesa, Xilonen
◆ Hexerei: Razor, Sucrose, Klee, Albedo, Mona, Fischl
◆ Events: To Temper Thyself Season 2
The Spectral Secrets event has daily Preliminary Investigations and Expeditions. Learn all Electric Lamp locations for Preliminary Investigation Day 7, Expedition ratings and rewards, and other information in this Spectral Secrets guide!
| Spectral Secrets Guides | |
|---|---|
 Full Event Guide |
 Investigation Guides |
| Event Quests | |
| Floating Spirits — The Investigation Begins | Floating Spirits — The Investigation Ends |
List of Contents
Day 7 Preliminary Investigation
Preliminary Investigation Info
 |
|
| Location | Jakotsu Mine, Inazuma |
|---|---|
| Enemy List |  Geo Specter
x4 |
Electric Lamp Locations on Day 7
Two of the Electric Lamps on Day 7 are close to the Thunder Sakura Bough, but there is one Electric Lamp on top of the cliff nearby.
Previous Preliminary Investigations
Day 1 Preliminary Investigation
 |
|
| Location | Araumi, Inazuma |
|---|---|
| Enemy List | Geo Specter
x4 |
All Electric Lamp Locations on Day 1
Two of the stage's Electric Lamps are in the open, but the last one may be hard to miss. It's on the top of a stone pillar, as shown in the image above!
Day 2 Preliminary Investigation
 |
|
| Location | Konda Village, Inazuma |
|---|---|
| Enemy List | Geo Specter
x5 |
All Electric Lamp Locations on Day 2
Two of the Electric Lamps are near the stream and easy to see, but one is slightly hidden in a waterfall. The Electric Lamp in the waterfall can easily be charged by dropping down from the ledge above.
Day 3 Preliminary Investigation
 |
|
| Location | Chinju Forest, Inazuma |
|---|---|
| Enemy List | |
All Electric Lamp Locations on Day 3
All of the Electric Lamps on day 3 are out in the open. The Electric Lamps surround the Thunder Sakura Bough, as seen in the image above!
Day 4 Preliminary Investigation
 |
|
| Location | Kujou Encampment, Inazuma |
|---|---|
| Enemy List | Geo Specter
x2 |
All Electric Lamp Locations on Day 4
All three Electric Lamps on Day 4 can be found pretty easily. One of the Electric Lamps is on land, while the two are slightly submerged in the water.
Day 5 Preliminary Investigation
 |
|
| Location | Tatarasuna, Inazuma |
|---|---|
| Enemy List | Geo Specter
x4 |
All Electric Lamp Locations on Day 5
 |
|
| Location of Each Lamp | |
|---|---|
| 1 |  Hidden inside a bush, near a broken structure with a ladder. |
| 2 |  Found near one of the Thunder Sakura Boughs in the Preliminary Investigation area. |
| 3 |  Found near the other Thunder Sakura Bough in the location. The Thunder Sakura Bough and the Electric Lamp are divided by a concrete wall. |
Day 6 Preliminary Investigation
 |
|
| Location | Yashiori Island, Inazuma |
|---|---|
| Enemy List | Geo Specter
x5 |
All Electric Lamp Locations on Day 6
All of the Electric Lamps on Day 6 can be seen pretty easily. You might have trouble battling the Specters though, especially if you use Electro characters or if you haven't gotten rid of the rain on Yashiori Island.
Either way, we recommend bringing a shield-user to make sure you don't get knocked out!
All Spectral Secrets Expeditions
Expedition Ranks and Rewards
| Rank | Expedition & Elements | Rewards |
|---|---|---|
| S | Keep Our Island Secure (Swarm of Specters)  |
x20
x4~12 |
| S | The Way Back Home |
x20
x4~12 |
| S | The Purge (Wafting from Afar)  |
x20
x1~3 |
| S | Wafting from Afar (No Stone Unturned)  |
x20
x1~3 |
| A | Some Sort of Summoning Ceremony? |
x20
x2~6 |
| A | Mind the Will-O'-the-Wisp |
x20
x2~6 |
| A | Snipe Dream |
x20
x2~6 |
| A | Fruity Business |
x20
x2~6 |
| A | Elementary Research |
x20
x2~6 |
| A | Sopping-Wet Crops |
x20
x2~6 |
| A | Follow the Trail of Breadcrumbs |
x20
x2~6 |
| A | To Dye For |
x20
x2~6 |
| A | Missing in Action |
x20
x1~3 |
| A | Windward Abound |
x20
x1~3 |
| B | Romantically Inclined |
x20
x 2~6 |
| B | Elemental Reaction Hazard |
x20
x2~6 |
| B | Find the Lost Goods |
x20
x1~3 |
| B | Super-Sized Specter |
x20
x1~3 |
| B | A Foreign Substance |
x20
x1~3 |
| B | To Battle |
x20
x1~3 |
| B | For the Love of Mora |
x20
x1~3 |
| B | Postponed at the Last Minute |
x20
x1~3 |
| B | Hey, Don't Run Off! |
x20
x1~3 |
| B | Mysterious Markings |
x20
x1~3 |
Spectral Secrets Event Info
What are Event Expeditions?
During Spectral Secrets, you dispatch characters on event expeditions to investigate the appearances of Specters! Expeditions will be ranked as Normal, Exceptional, and Perfect based on character level and recommended elements.
What are Preliminary Investigations?
Preliminary Investigations unlock your daily S-Rank expedition. You will be required to charge Electric Lamps and defeat a number of Specters to fully complete an investigation!
Spectral Secrets Event Guide
Genshin Impact Related Guides
Current Events
| No known events! |
Upcoming Events
| Event Guide | Date and Rewards |
|---|---|
 Marvelous Merchandise 6.2 Rerun
|
01/05/2026 - 01/12/2026
|
 Bing-Bang Finchball
|
12/05/2025 - 12/15/2025
|
 Soulblazers' Snowbound Journey
|
12/19/2025 - 01/05/2026
+ Free 4-Star Bow |
 Heroic Clash: Saurian Brawl
|
12/29/2025 - 01/07/2026
|
Permanent/Recurring Events
| Event Guide | Date and Rewards |
|---|---|
 To Temper Thyself and Journey Far
|
12/01/2025 - 02/23/2026
+ 5-Star Stella Fortuna |
 Stygian Onslaught
|
12/10/2025 - 01/13/2026
+ Dust of Enlightenment |
 Travelers' Tales
|
Permanently Available after Version 6.0
|
 Repertoire of Myriad Melodies
|
Permanently Available
|
 Test Run
|
Permanently Available
+ Ascension Materials |
 Hangout Events
|
Permanently Available after Version 1.4
+ Talent Materials + Specialty Dish |
 Baptism of Song
|
Permanently Available
+ Free Barbara
|
 Daily Check-In
|
2021/03/01 - Permanently Available
|
 Stellar Reunion Returnee Event
|
Permanently Available
+ Prototype Rancour |
Past Events
Author
Spectral Secrets Preliminary Investigations and Expeditions
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