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The Day The Cosmos Fell is a 4-Star Light Cone from the Erudition Path in Honkai: Star Rail. Check out this guide for The Day The Cosmos Fell's best characters, stats, ascension materials, and how to get it!
List of Contents
| The Day The Cosmos Fell | |
|---|---|
 |
|
| Rarity | ★★★★ |
| Path | |
| Ability | Stratagem Increases the wearer's ATK by 16%. When the wearer uses an attack and at least 2 attacked enemies have the corresponding Weakness, the wearer's CRIT DMG increases by 20%, lasting for 2 turn(s). |
| Rating | 
The Erudition |
Rating is based on Superimposition 1.
| Lv. | HP | ATK | DEF |
|---|---|---|---|
| 1 | 43 | 21 | 15 |
| 20 | 166 | 83 | 57 |
| 30 | 282 | 141 | 98 |
| 40 | 416 | 208 | 144 |
| 50 | 550 | 275 | 191 |
| 60 | 684 | 342 | 237 |
| 70 | 818 | 409 | 284 |
| 80 | 952 | 476 | 330 |
| Lv. | Ability Effect |
|---|---|
| 1 | Increases the wearer's ATK by 16%. When the wearer uses an attack and at least 2 attacked enemies have the corresponding Weakness, the wearer's CRIT DMG increases by 20%, lasting for 2 turn(s). |
| 2 | Increases the wearer's ATK by 18%. When the wearer uses an attack and at least 2 attacked enemies have the corresponding Weakness, the wearer's CRIT DMG increases by 25%, lasting for 2 turn(s). |
| 3 | Increases the wearer's ATK by 20%. When the wearer uses an attack and at least 2 attacked enemies have the corresponding Weakness, the wearer's CRIT DMG increases by 30%, lasting for 2 turn(s). |
| 4 | Increases the wearer's ATK by 22%. When the wearer uses an attack and at least 2 attacked enemies have the corresponding Weakness, the wearer's CRIT DMG increases by 35%, lasting for 2 turn(s). | 5 | Increases the wearer's ATK by 24%. When the wearer uses an attack and at least 2 attacked enemies have the corresponding Weakness, the wearer's CRIT DMG increases by 40%, lasting for 2 turn(s). |
Superimposing The Day The Cosmos Fell requires a copy of the same Light Cone to upgrade its ability.
| Recommended Characters for The Day The Cosmos Fell | |||
|---|---|---|---|
 Herta
|
 Himeko
|
 Jing Yuan
|
|
 Serval
|
 Argenti
|
||
The Day The Cosmos Fell is a good Light Cone for Erudition characters that specialize in AoE damage and attacks. The CRIT DMG buff can easily be obtained by attacking multiple enemies with their Weaknesses.
The Day The Cosmos Fell's effect is similar to Geniuses' Repose, but instead of defeating an enemy, the wearer needs to attack multiple enemies with their elemental Weakness to obtain the CRIT DMG buff.
This Light Cone is a great option for Erudition characters if you don't have Geniuses and can shine in situations where there are multiple enemies with the elemental Weakness of the wearer. Geniuses is just way more flexible since it's not locked to multiple enemies.
| Ascension Material | Total |
|---|---|
| 15 | |
| 3 | |
| 9 | |
| 15 | |
| 12 | |
| 12 | |
| 164000 |
You can purchase The Day The Cosmos Fell for 200 Lucent Afterglow from the Forgotten Hall Store.
| Version 2.0 Release Date | |
|---|---|
 |
|
| Release Date | February 06, 2024 |
The Day The Cosmos Fell was released in the first half of Honkai Star Rail's Version 2.0!
Version 2.0 Release Date and Banners Guide
| The Erudition Light Cones |
 An Instant Before A Gaze
|
 Before Dawn
|
 Night on the Milky Way
|
|---|---|---|
 Geniuses' Repose
|
 Make the World Clamor
|
 The Birth of the Self
|
|
The Day The Cosmos Fell
|
 The Seriousness of Breakfast
|
 Today Is Another Peaceful Day
|
 Data Bank
|
 Passkey
|
 Sagacity
|
The Day The Cosmos Fell - Materials and Best Characters
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The Erudition
Dream Collection Component
Key of Inspiration
Key of Knowledge
Dream Flow Valve
Key of Wisdom
Dream Making Engine
Credit
These guides have gone down the toilet recently. SMH You can also pick up a free copy from the origami birds in the golden hour (penacony)