| Type | Icon | Name | SP | Required | Description |
|---|---|---|---|---|---|
| B | 
|
Chill Def 1 | 60 | — | At start of turn, inflicts Def-3 on foe on the enemy team with the highest Def through its next action. |
|
Chill Def 2 | 120 | Chill Def 1 | At start of turn, inflicts Def-5 on foe on the enemy team with the highest Def through its next action. | |
|
Chill Def 3 | 240 | Chill Def 2 | At start of turn, inflicts Def-7 on foe on the enemy team with the highest Def through its next action. | |
| No restrictions. | |||||
Notes
- The stat decrease that can be applied by Chill Def is considered a
Penalty.
- Any 【Penalty】 on a unit lasts until that unit takes an action. If the unit takes multiple actions in a turn, they will only have Penalties for their first action.
- If the unit also has
Grand Strategy, any Penalties will remain active until the start of that unit's next phase.
- If the unit also has
- Any 【Penalty】 on a unit lasts until that unit takes an action. If the unit takes multiple actions in a turn, they will only have
- Unit selection takes place after all
Bonuses on allies are removed, and before any new Bonuses or Penalties are applied. All other existing Bonuses and Penalties count towards their respective stats during unit selection.
- Chill Def does not compare Def stats, so 【Phantom】 effects will not work.
- If multiple units are tied for the highest Def, each of those units will receive the effect.
List of owners
| Unit | Skill chain | |||
|---|---|---|---|---|
 | Chill Def 1 5  | Chill Def 2 5 | Chill Def 3 5 | – |
 | Chill Def 1 3  | Chill Spd/Def 1 4  | Chill Spd/Def 2 5 | – |
 | Chill Def 1 5 | Chill Def 2 5 | Chill Def 3 5 | – |
 | Chill Def 1 4 | Chill Def/Res 1 4 | Chill Def/Res 2 5 | – |
 | Chill Def 1 3 | Chill Def 2 4 | Chill Def 3 5 | – |
 | Chill Def 1 5 | Chill Atk/Def 1 5 | Chill Atk/Def 2 5 | – |
 | Chill Def 1 4 | Chill Atk/Def 1 4 | Chill Atk/Def 2 5 | – |
 | Chill Def 1 4 | Chill Def 2 4 | Chill Def 3 4 | – |
 | Chill Def 1 5 | Chill Def/Res 1 5 | Chill Def/Res 2 5 | Chill Def/Res 3 5 |
 | Chill Def 1 5 | Chill Def/Res 1 5 | Chill Def/Res 2 5 | Chill Def/Res 3 5 |
 | Chill Def 1 5 | Chill Def 2 5 | Chill Def 3 5 | – |
 | Chill Def 1 3 | Chill Def 2 3 | Chill Def 3 4 | – |
 | Chill Def 1 4 | Chill Def 2 4 | Chill Def 3 4 | – |
 | Chill Def 1 5 | Chill Def 2 5 | Chill Def 3 5 | – |
 | Chill Def 1 3 | Chill Def 2 4 | Chill Def 3 5 | – |
Availability
Summoning events
| Start | End | Event | Skill |
|---|---|---|---|
| 2018-03-09 | 2018-03-22 | New Heroes: The Branded King | Chill Def 3 |
| 2018-07-31 | 2018-08-07 | Legendary Heroes - Lucina | Chill Def 3 |
| 2018-08-10 | 2018-09-07 | Festival in Hoshido | Chill Def 3 |
| 2018-09-06 | 2018-09-16 | Focus: Heroes with Fury | Chill Def 3 |
| 2019-01-13 | 2019-01-20 | Focus: Heroes with Sword Valor | Chill Def 3 |
| 2019-01-30 | 2019-02-06 | Legendary Heroes - Duma | Chill Def 3 |
| 2019-02-09 | 2019-02-16 | Special Hero Summon (Year 2) | Chill Def 3 |
| 2019-03-08 | 2019-04-10 | New Heroes: Beyond Darkness | Chill Def 3 |
| 2019-04-27 | 2019-05-07 | Legendary Heroes - Alm | Chill Def 3 |
| 2019-06-27 | 2019-07-07 | Focus: Headband Brawl (Block A) | Chill Def 3 |
| 2019-08-09 | 2019-09-09 | Festival in Hoshido | Chill Def 3 |
| 2019-08-15 | 2019-08-16 | Focus: Heroes with Fury | Chill Def 3 |
| 2019-08-16 | 2019-09-06 | New Heroes: Brave Echoes | Chill Def 3 |
| 2019-12-27 | 2019-12-07 | Focus: Voting Gauntlet | Chill Def 3 |
| 2020-01-22 | 2020-02-01 | Focus: Heroes with Chill Skills | Chill Def 3 |
| 2020-02-02 | 2020-02-09 | 3rd Anniversary Hero Fest, Part 1 | Chill Def 3 |
| 2020-03-31 | 2020-04-10 | Mythic Hero - Bramimond | Chill Def 3 |
| 2020-04-20 | 2020-05-20 | The Start of It All | Chill Def 3 |
| 2020-04-27 | 2020-05-07 | Focus: Green Grapple, Block A | Chill Def 3 |
| 2020-06-05 | 2020-06-30 | Book IV Mid: Mirabilis and More | Chill Def 1 |
| 2020-06-30 | 2020-07-07 | Legendary Heroes - Seliph | Chill Def 1 |
| 2020-08-22 | 2020-09-05 | Festival in Hoshido | Chill Def 3 |
| 2020-09-27 | 2020-10-04 | Focus: Weekly Revival 9 | Chill Def 3 |
| 2020-10-13 | 2020-10-27 | Focus: Double Special Heroes | Chill Def 3 |
| 2020-10-30 | 2020-11-06 | Legendary Heroes - Dimitri | Chill Def 1 |
| 2020-11-06 | 2020-12-06 | In the Moment | Chill Def 1 |
| 2020-11-12 | 2020-11-13 | Focus: Heroes with Chill Skills | Chill Def 3 |
| 2020-12-11 | 2020-12-21 | Focus: New Power | Chill Def 3 |
| 2020-12-21 | 2020-12-28 | Focus: Heroes with Chill Skills | Chill Def 3 |
| 2021-02-02 | 2021-03-01 | Special Hero Summon (Year 4) | Chill Def 3 |
| 2021-03-01 | 2021-03-08 | Focus: Heroes with Moonbow | Chill Def 3 |
| 2021-03-22 | 2021-03-29 | Focus: AHR 2021 Top Four | Chill Def 1 |
| 2021-04-13 | 2021-04-27 | Focus: Double Special Heroes | Chill Def 1 |
| 2021-04-21 | 2021-05-05 | The Start of It All | Chill Def 3 |
| 2021-04-26 | 2021-05-10 | Year-Three CYL Hero Fest | Chill Def 3 |
| 2021-04-28 | 2021-05-07 | Legendary Heroes - Sigurd | Chill Def 1 |
| 2021-05-02 | 2021-05-09 | Focus: Weekly Revival 9 | Chill Def 3 |
| 2021-06-08 | 2021-06-09 | Focus: Heroes with Chill Skills | Chill Def 3 |
| 2021-08-13 | 2021-08-27 | Festival in Hoshido | Chill Def 3 |
| 2021-09-03 | 2021-09-10 | Focus: Heroes with Moonbow | Chill Def 3 |
| 2021-09-11 | 2021-09-21 | Focus: New Power | Chill Def 3 |
| 2021-10-29 | 2021-11-05 | Legendary Heroes - Fae | Chill Def 1 |
| 2021-10-29 | 2021-10-30 | Focus: Heroes with Chill Skills | Chill Def 3 |
| 2021-11-19 | 2021-12-03 | In the Moment | Chill Def 1 |
| 2022-01-01 | 2022-02-01 | Like Clockwork | Chill Def 1 |
| 2022-02-02 | 2022-03-02 | Special Hero Summon (Year 5) | Chill Def 1 |
| 2022-02-13 | 2022-02-20 | Focus: Weekly Revival 9 | Chill Def 3 |
| 2022-03-11 | 2022-03-17 | Focus: New Power | Chill Def 3 |
| 2022-03-27 | 2022-04-03 | Focus: Weekly Revival 45 | Chill Def 3 |
| 2022-04-20 | 2022-04-30 | The Start of It All | Chill Def 3 |
| 2022-04-22 | 2022-05-13 | Year-Three CYL Hero Fest | Chill Def 3 |
| 2022-04-24 | 2022-05-01 | Focus: Weekly Revival 47 | Chill Def 3 |
| 2022-04-28 | 2022-05-12 | Mythic Heroes - Medeus | Chill Def 1 |
| 2022-06-12 | 2022-06-19 | Focus: Weekly Revival 9 | Chill Def 3 |
| 2022-06-24 | 2022-07-08 | Focus: Double Special Heroes | Chill Def 1 |
| 2022-07-31 | 2022-08-07 | Focus: Weekly Revival 54 | Chill Def 3 |
| 2022-08-03 | 2022-08-04 | Focus: Heroes with Moonbow | Chill Def 3 |
| 2022-08-09 | 2022-09-09 | Risk and Reward | Chill Def 1 |
| 2022-08-23 | 2022-09-06 | Focus: Double Special Heroes | Chill Def 1 |
| 2022-09-02 | 2022-09-12 | Festival in Hoshido (4★SHSR) | Chill Def 3 |
| 2022-10-31 | 2022-11-14 | Mythic Heroes - Arval | Chill Def 1 |
| 2022-11-16 | 2022-11-26 | In the Moment | Chill Def 1 |
| 2022-12-20 | 2023-01-03 | Focus: Double Special Heroes | Chill Def 1 |
| 2023-01-01 | 2023-01-08 | Focus: Weekly Revival 45 | Chill Def 3 |
| 2023-01-01 | 2023-02-01 | New Year: ω Special Heroes | Chill Def 1 |
| 2023-01-15 | 2023-01-22 | Focus: Weekly Revival 47 | Chill Def 3 |
| 2023-02-02 | 2023-03-02 | Special Hero Summon | Chill Def 1 |
| 2023-02-19 | 2023-02-26 | Focus: Weekly Revival 9 | Chill Def 3 |
| 2023-04-02 | 2023-04-09 | Focus: Weekly Revival 54 | Chill Def 3 |
| 2023-04-19 | 2023-04-29 | The Start of It All | Chill Def 3 |
| 2023-04-21 | 2023-06-02 | GW Hero Fest! CYL: Round 3 | Chill Def 3 |
| 2023-04-28 | 2023-05-12 | Mythic Heroes - Nerþuz | Chill Def 1 |
| 2023-08-14 | 2023-08-24 | Risk and Reward | Chill Def 1 |
| 2023-08-29 | 2023-09-12 | Festival in Hoshido (4★SHSR) | Chill Def 3 |
| 2023-09-11 | 2023-09-25 | Legendary & Mythic Hero Remix 2 | Chill Def 1 |
| 2023-09-22 | 2023-10-05 | 1,000 Heroes! ω Special Heroes | Chill Def 1 |
| 2023-10-29 | 2023-11-05 | Focus: Weekly Revival 45 | Chill Def 3 |
| 2023-11-10 | 2023-11-20 | Focus: New Power | Chill Def 3 |
| 2023-11-12 | 2023-11-19 | Focus: Weekly Revival 47 | Chill Def 3 |
| 2023-11-27 | 2023-12-07 | In the Moment | Chill Def 1 |
| 2023-12-31 | 2024-01-07 | Focus: Weekly Revival 54 | Chill Def 3 |
| 2024-01-01 | 2024-02-01 | New Year: ω Special Heroes 1 | Chill Def 1 |
| 2024-01-07 | 2024-01-14 | Focus: Weekly Revival 9 | Chill Def 3 |
| 2024-01-13 | 2024-01-28 | Focus: Hall of Forms Revival | Chill Def 3 |
| 2024-03-11 | 2024-03-25 | Legendary & Mythic Hero Remix 2 | Chill Def 1 |
| 2024-04-19 | 2024-04-29 | The Start of It All (4★SHSR) | Chill Def 3 |
| 2024-04-23 | 2024-05-21 | GW Hero Fest! CYL: Round 3 | Chill Def 3 |
| 2024-05-19 | 2024-05-26 | Focus: Weekly Revival 45 | Chill Def 3 |
| 2024-06-02 | 2024-06-09 | Focus: Weekly Revival 47 | Chill Def 3 |
| 2024-07-11 | 2024-07-25 | Legendary & Mythic Hero Remix 2 | Chill Def 1 |
| 2024-07-21 | 2024-07-28 | Focus: Weekly Revival 54 | Chill Def 3 |
| 2024-08-21 | 2024-08-31 | Risk and Reward | Chill Def 1 |
| 2024-09-04 | 2024-09-14 | Festival in Hoshido (4★SHSR) | Chill Def 3 |
| 2024-11-17 | 2024-11-24 | Focus: Weekly Revival 45 | Chill Def 3 |
| 2024-12-01 | 2024-12-08 | Focus: Weekly Revival 47 | Chill Def 3 |
| 2024-12-03 | 2024-12-13 | In the Moment (4★SHSR) | Chill Def 1 |
| 2025-01-01 | 2025-02-01 | NY: ω Special Heroes 2 (4★SHSR) | Chill Def 1 |
| 2025-01-13 | 2025-01-27 | Legendary & Mythic Hero Remix 2 | Chill Def 1 |
| 2025-01-19 | 2025-01-26 | Focus: Weekly Revival 54 | Chill Def 3 |
| 2025-02-23 | 2025-03-02 | Focus: Weekly Revival 9 | Chill Def 3 |
| 2025-04-07 | 2025-04-24 | Focus: New Power | Chill Def 1 |
| 2025-04-12 | 2025-04-22 | The Start of It All (4★SHSR) | Chill Def 3 |
| 2025-04-16 | 2025-04-17 | 35th Anniversary: Daily Revival 9 | Chill Def 3 |
| 2025-04-22 | 2025-04-23 | 35th Anniversary: Daily Revival 47 | Chill Def 3 |
| 2025-04-22 | 2025-04-23 | 35th Anniversary: Daily Revival 45 | Chill Def 3 |
| 2025-04-23 | 2025-04-24 | 35th Anniversary: Daily Revival 54 | Chill Def 3 |
| 2025-04-27 | 2025-05-08 | Focus: Mycen & Alm's Battle | Chill Def 3 |
Distributed units
- Brig. Boss: Known Criminal (×1)
- Brig. Boss: Known Criminal (×2)
- Jorge: Traveling Peddler (×1)
- Jorge: Traveling Peddler (×2)
- Tempest Trials+: Nihility & Dream 1 (×1)
- Tempest Trials+: Nihility & Dream 1 (×1)
- Sedgar: Coyote's Dutiful (×1)
- Sedgar: Coyote's Dutiful (×2)
- Tempest Trials+: Summer Lifestyle (×1)
- Tempest Trials+: Summer Lifestyle (×1)
- A Hero Rises 2021 (×1)
- Use Heroic Grails (×20)
- Use Heroic Grails (×20)
- Use Heroic Grails (×20)
- Use Heroic Grails (×20)
- Use Heroic Grails (×20)
- Use Heroic Grails (×20)
- Walhart: The Conqueror (×1)
- Walhart: The Conqueror (×2)
- Grand Hero Battles quest (February 2019) (×1)
- Grand Hero Battles quest (July 2023) (×1)
- Grand Hero Battles quest (November 2022) (×1)
- Grand Hero Party quest (August 2019) (×1)
- Grand Hero Party quest (February 2021) (×1)
- Grand Hero Party quest (February 2022) (×1)
- Grand Hero Party quest (February 2024) (×1)
- Grand Hero Party quest (February 2025) (×1)
- Grand Hero Party quest (February 2025) (×1)
- Grand Hero Party quest (October 2021) (×1)
- Resplendent Hero (×1)
- Resplendent Hero (×1)
Combat Manuals
| Start | End | Hero | Currency |
|---|---|---|---|
| 2020-08-06T02:00:00Z | 2020-09-28T06:59:59Z | Ryoma: Dancing Samurai | Divine Code: Ephemera 8 |
| 2022-04-06T03:00:00Z | 2022-05-28T06:59:59Z | Marth: Legacied Hero | Divine Code: Ephemera 4 |
| 2023-12-06T05:00:00Z | 2024-01-28T06:59:59Z | Shez: Mercenary Shade | Divine Code: Ephemera 12 |
| 2024-01-09T03:00:00Z | 2024-02-28T06:59:59Z | Donnel: Sunny Villager | Divine Code: Ephemera 1 |
Seal acquired from
Tempest Trials reward
- Tempest Trials+: A Child's Wish ( – ): 20,000 Score.
Sacred Seal Forge
Chill Def 1: Create for 20 
Great Verdant Badge, 100 
Verdant Badge, 40 
Sacred Coin.
Chill Def 2: Enhance for 60 Great Verdant Badge, 200 Verdant Badge, 50 Sacred Coin.
Chill Def 3: Enhance for 400 Great Verdant Badge, 1000 Verdant Badge, 100 Sacred Coin.
In other languages
| Language | Name |
|---|---|
| Japanese | 守備の封印 |
| German | Ver.-Bremse |
| Spanish (Europe) | Gelidez Def |
| Spanish (Latin America) | Def. gélida |
| French | Gel Déf |
| Italian | Dif gelante |
| Traditional Chinese (Taiwan) | 防守封殺 |
| Portuguese | Def. gelada |