| Type | Icon | Name | SP | Required | Description |
|---|---|---|---|---|---|
| A | 
|
Earth Boost 1 | 50 | — | At start of combat, if unit's HP ≥ foe's HP+3, grants Def+2 during combat. |
|
Earth Boost 2 | 100 | Earth Boost 1 | At start of combat, if unit's HP ≥ foe's HP+3, grants Def+4 during combat. | |
|
Earth Boost 3 | 200 | Earth Boost 2 | At start of combat, if unit's HP ≥ foe's HP+3, grants Def+6 during combat. | |
| No restrictions. | |||||
Available as a Sacred Seal.
Notes[ | ]
- The stat increase that can be applied by Earth Boost is considered a temporary buff.
- The skill compares current HP between units to apply the Combat Buff.
List of owners[ | ]
| Unit | Skill chain | |||
|---|---|---|---|---|
 | Earth Boost 1 5  | Earth Boost 2 5 | Earth Boost 3 5 | – |
 | Earth Boost 1 3  | Earth Boost 2 3 | Earth Boost 3 4  | – |
 | Earth Boost 1 3 | Earth Boost 2 3 | Earth Boost 3 4 | – |
 | Earth Boost 1 4 | Earth Boost 2 4 | Earth Boost 3 5 | – |
 | Earth Boost 1 5 | Earth Boost 2 5 | Earth Boost 3 5 | Earthfire Boost 3 5 |
 | Earth Boost 1 5 | Earth Boost 2 5 | Earth Boost 3 5 | Earthfire Boost 3 5 |
 | Earth Boost 1 5 | Earth Boost 2 5 | Earth Boost 3 5 | Earthwind Boost 3 5 |
Availability[ | ]
Summoning events
| Start | End | Event | Skill |
|---|---|---|---|
| 2017-05-15 | 2017-05-30 | New Heroes: Rite of Shadows | Earth Boost 3 |
| 2017-07-03 | 2017-07-21 | Focus: Tempest Trials | Earth Boost 3 |
| 2017-08-15 | 2017-08-31 | New Heroes: The Sacred World | Earth Boost 3 |
| 2017-11-02 | 2017-11-12 | Focus: Short-Haired Ladies | Earth Boost 3 |
| 2017-12-14 | 2017-12-23 | Focus: Tana & Amelia's Battle | Earth Boost 3 |
| 2017-12-28 | 2018-01-02 | Legendary Heroes - Gunnthrá | Earth Boost 3 |
| 2018-02-07 | 2018-02-20 | Focus: Movement Skills | Earth Boost 3 |
| 2019-02-13 | 2019-02-23 | Focus: New Power 1 | Earth Boost 3 |
| 2019-08-02 | 2019-08-03 | Focus: Movement Skills | Earth Boost 3 |
| 2019-08-11 | 2019-08-18 | Focus: Weekly Revival 10 | Earth Boost 3 |
| 2019-08-14 | 2019-08-20 | Focus: New Power | Earth Boost 3 |
| 2019-10-06 | 2019-10-13 | Focus: Weekly Revival 18 | Earth Boost 3 |
| 2019-12-29 | 2020-01-05 | Focus: Weekly Revival 10 | Earth Boost 3 |
| 2020-02-08 | 2020-02-09 | Focus: Tana & Amelia's Battle | Earth Boost 3 |
| 2020-02-23 | 2020-03-01 | Focus: Weekly Revival 18 | Earth Boost 3 |
| 2020-05-17 | 2020-05-24 | Focus: Weekly Revival 10 | Earth Boost 3 |
| 2020-07-12 | 2020-07-19 | Focus: Weekly Revival 18 | Earth Boost 3 |
| 2020-12-13 | 2020-12-20 | Focus: Weekly Revival 20 | Earth Boost 3 |
| 2021-02-14 | 2021-02-21 | Focus: Weekly Revival 29 | Earth Boost 3 |
| 2021-07-18 | 2021-07-25 | Focus: Weekly Revival 20 | Earth Boost 3 |
| 2021-07-27 | 2021-08-07 | Focus: Mae & Boey's Battle | Earth Boost 3 |
| 2021-11-07 | 2021-11-14 | Focus: Weekly Revival 29 | Earth Boost 3 |
| 2022-03-29 | 2022-04-07 | Focus: Impenetrable Defenses 2 | Earth Boost 3 |
| 2022-05-01 | 2022-05-08 | Focus: Weekly Revival 20 | Earth Boost 3 |
| 2022-07-03 | 2022-07-10 | Focus: Weekly Revival 29 | Earth Boost 3 |
| 2022-09-25 | 2022-10-02 | Focus: Weekly Revival 20 | Earth Boost 3 |
| 2022-11-27 | 2022-12-04 | Focus: Weekly Revival 29 | Earth Boost 3 |
| 2023-05-07 | 2023-05-14 | Focus: Weekly Revival 20 | Earth Boost 3 |
| 2023-07-09 | 2023-07-16 | Focus: Weekly Revival 29 | Earth Boost 3 |
| 2024-02-07 | 2024-03-07 | May This Last | Earth Boost 3 |
| 2024-02-19 | 2024-03-07 | Attuned Ivy & Rearmed Hortensia | Earth Boost 3 |
| 2024-05-12 | 2024-05-19 | Focus: Weekly Revival 20 | Earth Boost 3 |
| 2024-06-28 | 2024-07-12 | Emblem Celica: Of Echoes | Earth Boost 3 |
| 2024-07-28 | 2024-08-04 | Focus: Weekly Revival 29 | Earth Boost 3 |
| 2024-08-23 | 2024-09-06 | Focus: Double Special Heroes | Earth Boost 3 |
| 2024-08-29 | 2024-09-07 | Focus: Ross & Ewan's Battle | Earth Boost 3 |
| 2024-09-16 | 2024-09-22 | Focus: Heroes with Bonfire | Earth Boost 3 |
| 2024-10-04 | 2024-11-06 | Festival Guide | Earth Boost 3 |
Distributed units
- Tempest Trials+: Royal Treasures (×1)
- Tempest Trials+: Royal Treasures (×1)
- Use Heroic Grails (×20)
- Resplendent Hero (×1)
Combat Manuals
| Start | End | Hero | Currency |
|---|---|---|---|
| 2020-03-05T05:00:00Z | Amelia: Rose of the War | Divine Code: Part 1 | |
| 2023-05-08T09:00:00Z | 2023-06-28T06:59:59Z | Atlas: Forest Muscle | Divine Code: Ephemera 5 |
Seal acquired from[ | ]
Tempest Trials reward[ | ]
- Tempest Trials+: A Hero's Mettle ( – ): 6,000 Score.
Sacred Seal Forge[ | ]
Earth Boost 1: Create for 20 Great Verdant Badge, 100 Verdant Badge, 20 Sacred Coin.- Earth Boost 2: Enhance for 60 Great Verdant Badge, 200 Verdant Badge, 50 Sacred Coin.
- Earth Boost 3: Enhance for 400 Great Verdant Badge, 1000 Verdant Badge, 100 Sacred Coin.
In other languages[ | ]
| Language | Name |
|---|---|
| Japanese | 生命の大地 |
| German | Erdschub |
| Spanish (Europe) | Geovitalidad |
| Spanish (Latin America) | Geovitalidad |
| French | Boost fortifiant |
| Italian | Impulso terra |
| Traditional Chinese (Taiwan) | 生命大地 |
| Portuguese | Geovital |