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Type Icon Name SP Required Description
C Atk Opening 1 Atk Opening 1 60 At start of turn, grants Atk+2 to ally with the highest Atk for 1 turn. (Excludes unit.)
Atk Opening 2 Atk Opening 2 120 Atk Opening 1 At start of turn, grants Atk+4 to ally with the highest Atk for 1 turn. (Excludes unit.)
Atk Opening 3 Atk Opening 3 240 Atk Opening 2 At start of turn, grants Atk+6 to ally with the highest Atk for 1 turn. (Excludes unit.)
No restrictions.

Available as a Sacred Seal.

Notes[ | ]

  • The stat increase that can be applied by Atk Opening is considered a Status Effect Bonus bonus.
    • Any 【Bonus】 on a unit, including Status Effect Bonus bonuses, lasts until the start of that unit's next phase. If Status Effect Bonus bonuses are acquired during the enemy phase, they will disappear when the next player phase begins.
  • Atk Opening does not compare Atk stats.
    • Because no comparison is made, skills like Phantom Spd 3 Phantom Spd 3 have no effect.
  • Unit selection takes place after all Status Effect Bonus bonuses on allies are removed, and before any new bonuses or Status Effect Penalty penalties are applied. All other existing bonuses and penalties count towards their respective stats during unit selection.
  • If multiple units are tied for the highest Atk, each of those units will receive the effect.

List of owners[ | ]

UnitSkill chain
Eirika Gentle as Snow Face FC
Atk Opening 1
★
Atk Opening 2
★
Atk Opening 3
★
Iago Nohrs Tactician Face FC
Atk Opening 1
★
Atk Opening 2
★
Atk Opening 3
★
Jorge Traveling Peddler Face FC
Atk Opening 1
★
Atk Opening 2
★
Atk Opening 3
★
Lilina Beachside Bloom Face FC
Atk Opening 1
★
Atk Opening 2
★
Atk Opening 3
★
Tatiana Devoted Saint Face FC
Atk Opening 1
★
Atk Opening 2
★
Atk Opening 3
★

Availability[ | ]

Summoning events

Start End Event Skill
2018-12-18 2019-01-18 Gifts of Winter Atk Opening 3
2019-02-09 2019-02-16 Special Hero Summon (Year 2) Atk Opening 3
2019-04-27 2019-05-07 Legendary Heroes - Alm Atk Opening 3
2019-07-09 2019-08-09 Summer Refreshes Atk Opening 3
2019-12-10 2019-12-25 Focus: Double Special Heroes Atk Opening 3
2019-12-24 2020-01-24 Gifts of Winter Atk Opening 3
2020-02-02 2020-03-01 Special Hero Summon (Year 3) Atk Opening 3
2020-04-14 2020-04-28 Focus: Double Special Heroes Atk Opening 3
2020-06-18 2020-07-02 Call of the Sea - Special Hero Gift Atk Opening 3
2020-07-13 2020-07-27 Summer Refreshes Atk Opening 3
2020-12-25 2021-01-08 Gifts of Winter Atk Opening 3
2021-07-15 2021-07-29 Summer Refreshes Atk Opening 3
2021-12-03 2021-12-09 Focus: Heroes w/ Ardent Sacrifice Atk Opening 3
2021-12-21 2022-01-04 Gifts of Winter Atk Opening 3
2022-07-22 2022-08-01 Summer Refreshes Atk Opening 3
2022-12-28 2023-01-07 Gifts of Winter (4★SHSR) Atk Opening 3
2023-07-20 2023-07-30 Summer Refreshes (4★SHSR) Atk Opening 3
2023-12-27 2024-01-06 Gifts of Winter (4★SHSR) Atk Opening 3

Distributed units

Combat Manuals

Start End Hero Currency
2021-12-06T00:00:00Z 2022-01-28T06:59:59Z Eirika: Gentle as Snow Divine Code: Ephemera 12
2022-02-07T03:00:00Z 2022-03-28T06:59:59Z Tatiana: Devoted Saint Divine Code: Ephemera 2
2022-07-05T04:00:00Z 2022-08-28T06:59:59Z Lilina: Beachside Bloom Divine Code: Ephemera 7
2023-08-07T03:00:00Z 2023-09-28T06:59:59Z Tatiana: Devoted Saint Divine Code: Ephemera 8

Seal acquired from[ | ]

Tempest Trials reward[ | ]

Sacred Seal Forge[ | ]

In other languages[ | ]

Language Name
Japanese 攻撃の開放
German Agr.-Öffnung
Spanish (Europe) Brecha Ata
Spanish (Latin America) Brecha Atq.
French Ouverture Atq
Italian Occasione Att
Traditional Chinese (Taiwan) 攻擊開放
Portuguese Brecha Atq.
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