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

Available as a Sacred Seal.

Notes[ | ]

  • The stat increase that can be applied by Def 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.
  • Def Opening does not compare Def 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 Def, each of those units will receive the effect.

List of owners[ | ]

UnitSkill chain
Cormag Aloof Lanceman Face FC
Def Opening 1
★
Def Opening 2
★
Def Opening 3
★
Eldigan Strutting Lion Face FC
Def Opening 1
★
Def Opening 2
★
Def Opening 3
★
Genny Dressed with Care Face FC
Def Opening 1
★
Def Opening 2
★
Def Opening 3
★
Hilda Idle Maiden Face FC
Def Opening 1
★
Def Opening 2
★
Def Opening 3
★

Availability[ | ]

Summoning events

Start End Event Skill
2019-04-19 2019-05-19 A Season for Picnics Def Opening 3
2019-08-07 2019-08-28 New Heroes: Changing Winds Def Opening 3
2019-09-30 2019-10-08 Mythic Heroes - Thrasir Def Opening 3
2019-10-22 2019-10-30 Focus: Heroes with Null Skills Def Opening 3
2020-01-30 2020-02-06 Mythic Heroes - Líf Def Opening 3
2020-02-02 2020-03-01 Special Hero Summon (Year 3) Def Opening 3
2020-05-01 2020-05-15 A Season for Picnics Def Opening 3
2020-06-14 2020-06-15 Focus: Heroes with Null Skills Def Opening 3
2020-07-06 2020-07-20 Focus: Tempest Trials Def Opening 3
2020-09-28 2020-10-07 Focus: Voting Gauntlet, Part 1 Def Opening 3
2020-12-16 2020-12-28 Focus: Tempest Trials Def Opening 3
2021-05-04 2021-05-18 A Season for Picnics Def Opening 3
2021-06-19 2021-07-02 Focus: Tempest Trials Def Opening 3
2022-05-02 2022-05-12 A Season for Picnics Def Opening 3
2022-05-08 2022-05-15 Focus: Weekly Revival 48 Def Opening 3
2022-06-17 2022-06-21 Three Hopes Release Event 10 Def Opening 3
2022-07-17 2022-07-24 Focus: Weekly Revival 53 Def Opening 3
2022-08-11 2022-08-19 Focus: New Power Def Opening 3
2023-01-22 2023-01-29 Focus: Weekly Revival 48 Def Opening 3
2023-03-19 2023-03-26 Focus: Weekly Revival 53 Def Opening 3
2023-05-06 2023-05-16 A Season for Picnics (4★SHSR) Def Opening 3
2023-11-19 2023-11-26 Focus: Weekly Revival 48 Def Opening 3
2023-12-24 2023-12-31 Focus: Weekly Revival 53 Def Opening 3

Distributed units

Combat Manuals

Start End Hero Currency
2020-03-05T05:00:00Z Genny: Dressed with Care Divine Code: Part 1
2021-03-04T03:00:00Z 2021-04-28T06:59:59Z Eldigan: Strutting Lion Divine Code: Ephemera 3

Seal acquired from[ | ]

Tempest Trials reward[ | ]

Sacred Seal Forge[ | ]

In other languages[ | ]

Language Name
Japanese 守備の開放
German Ver.-Öffnung
Spanish (Europe) Brecha Def
Spanish (Latin America) Brecha Def.
French Ouverture Déf
Italian Occasione Dif
Traditional Chinese (Taiwan) 防守開放
Portuguese Brecha Def.
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