Type	Icon	Name	SP	Required	Description
C		Odd Def Wave 1	60	—	At start of odd-numbered turns, grants Def+2 to unit and adjacent allies for 1 turn. (Bonus granted to unit even if no allies are adjacent.)
		Odd Def Wave 2	120	Odd Def Wave 1	At start of odd-numbered turns, grants Def+4 to unit and adjacent allies for 1 turn. (Bonus granted to unit even if no allies are adjacent.)
		Odd Def Wave 3	240	Odd Def Wave 2	At start of odd-numbered turns, grants Def+6 to unit and adjacent allies for 1 turn. (Bonus granted to unit even if no allies are adjacent.)
		Odd Def Wave 4	300	Odd Def Wave 3	At start of turn, grants Def+6 to unit and allies within 2 spaces of unit for 1 turn. If unit's Def ≥ foe's Def-5, neutralizes effects that grant "Special cooldown charge +X" to foe or inflict "Special cooldown charge -X" on unit during combat. If it is an odd-numbered turn, grants Def+6 to unit during combat.
No restrictions.

Available as a Sacred Seal.

Effects

Effects	Targets	Conditions
Odd Def Wave 3
Status effects
Def+6	Unit & adjacent  Allies	At start of odd turns
Odd Def Wave 4
Status effects
Def+6	Unit &  Allies within 2 spaces	At start of turn
Combat effects
Neutralizes "Special cooldown charge +1"	Foe	Unit's Def ≥  Foe's Def-5
Neutralizes "Special cooldown charge -1"	Unit
Def+6		During odd turns

Notes

• The stat increase that can be applied by Odd Def Wave is considered a  Bonus.
  • Any 【Bonus】 effect on a unit, including  Bonuses, lasts until the start of that unit's next phase. If  Bonuses are acquired during the enemy phase, they will disappear when the next player phase begins.
• Odd Def Wave 4 will neutralize the "Special cooldown charge +X" effect on foes from effects such as  Heavy Blade 4,  Special Cooldown Charge +1, or the Grand Conquests  Infantry area effect.
  • Since the "Special cooldown charge +X" effect will be neutralized on foes, Odd Def Wave 4 will also stack with the "Special cooldown charge -X" effect inflicted on the foe from effects such as  Guard Sword+,  Guard, or  【Divine Vein (Vert)】, unless the foe is equipped with skills that neutralize the "Special cooldown charge -X" effect on unit.
• Odd Def Wave 4 will neutralize the "Special cooldown charge -X" effect on unit from effects such as  Guard Sword+,  Guard, or  【Divine Vein (Vert)】.
  • Since the "Special cooldown charge -X" effect will be neutralized on unit, Odd Def Wave 4 will also stack with the "Special cooldown charge +X" effect on unit from effects such as  Heavy Blade 4,  Special Cooldown Charge +1, or the Grand Conquests  Infantry area effect, unless the foe is equipped with skills that neutralize the "Special cooldown charge +X" effect on unit.
• The stat boost that can be applied during combat by Odd Def Wave 4 is considered a temporary buff.

List of owners

Unit	Skill chain
Darros: Seawalker	Odd Def Wave 1 4	Odd Def Wave 2 4	Odd Def Wave 3 4	–
Eirika: Graceful Resolve	Odd Def Wave 1 5	Odd Def Wave 2 5	Odd Def Wave 3 5	–
Haar: Black Tempest	Odd Def Wave 1 3	Odd Def Wave 2 3	Odd Def Wave 3 4	–
Haitaka: Persistent General	Odd Def Wave 1 3	Odd Def Wave 2 3	Odd Def Wave 3 4	–
Hríd: Island Ice Prince	Odd Def Wave 1 5	Odd Def Wave 2 5	Odd Def Wave 3 5	Odd Def Wave 4 5
Ryoma: Samurai at Ease	Odd Def Wave 1 4  SR	Odd Def Wave 2 4  SR	Odd Def Wave 3 4  SR	–
Scáthach: Astra's Wake	Odd Def Wave 1 3	Odd Def Wave 2 3	Odd Def Wave 3 4	–
Xander: Dancing Knight	Odd Def Wave 1 4  SR	Odd Def Wave 2 4  SR	Odd Def Wave 3 5	–

Availability

Summoning events

Start	End	Event	Skill
2018-08-10	2018-09-07	Festival in Hoshido	Odd Def Wave 3
2018-10-31	2018-11-07	Legendary Heroes - Eirika	Odd Def Wave 3
2019-01-23	2019-02-23	Hostile Springs	Odd Def Wave 3
2019-01-30	2019-02-06	Legendary Heroes - Duma	Odd Def Wave 3
2019-02-09	2019-02-16	Special Hero Summon (Year 2)	Odd Def Wave 3
2019-02-27	2019-03-06	Legendary Heroes - Roy	Odd Def Wave 3
2019-05-30	2019-06-06	Mythic Heroes - Naga	Odd Def Wave 3
2019-07-31	2019-08-07	Mythic Heroes - Sothis	Odd Def Wave 3
2019-08-09	2019-09-09	Festival in Hoshido	Odd Def Wave 3
2019-09-30	2019-10-08	Mythic Heroes - Thrasir	Odd Def Wave 3
2019-12-10	2019-12-25	Focus: Double Special Heroes	Odd Def Wave 3
2020-01-24	2020-02-24	Hostile Springs	Odd Def Wave 3
2020-02-02	2020-03-01	Special Hero Summon (Year 3)	Odd Def Wave 3
2020-02-27	2020-03-05	Legendary Heroes - Chrom	Odd Def Wave 3
2020-08-22	2020-09-05	Festival in Hoshido	Odd Def Wave 3
2020-08-31	2020-09-07	Legendary Heroes - Corrin	Odd Def Wave 3
2021-01-14	2021-01-28	Hostile Springs	Odd Def Wave 3
2021-03-30	2021-04-06	Mythic Heroes - Dagr	Odd Def Wave 3
2021-08-13	2021-08-27	Festival in Hoshido	Odd Def Wave 3
2022-01-13	2022-01-27	Legendary Hero Remix	Odd Def Wave 3
2022-01-21	2022-02-01	Hostile Springs	Odd Def Wave 3
2022-04-18	2022-05-10	New Heroes & Ascended Ishtar	Odd Def Wave 3
2022-08-13	2022-08-27	Legendary & Mythic Hero Remix	Odd Def Wave 3
2022-09-02	2022-09-12	Festival in Hoshido (4★SHSR)	Odd Def Wave 3
2023-01-19	2023-01-29	Hostile Springs (4★SHSR)	Odd Def Wave 3
2023-02-11	2023-02-25	Legendary & Mythic Hero Remix 2	Odd Def Wave 3
2023-05-15	2023-06-05	Legendary & Mythic Hero Remix 2	Odd Def Wave 3
2023-06-23	2023-07-14	Focus: Hall of Forms	Odd Def Wave 3
2023-08-10	2023-08-13	Revival: Ascended Ishtar	Odd Def Wave 3
2023-08-29	2023-09-12	Festival in Hoshido (4★SHSR)	Odd Def Wave 3
2023-10-23	2023-11-13	Focus: Hall of Forms	Odd Def Wave 3
2023-10-30	2023-11-08	Focus: Arthur & Tine's Battle	Odd Def Wave 3
2024-01-26	2024-02-05	Hostile Springs (4★SHSR)	Odd Def Wave 3
2024-05-14	2024-06-04	Legendary & Mythic Hero Remix 1	Odd Def Wave 3
2024-06-17	2024-08-05	Flush Summer	Odd Def Wave 4
2024-09-04	2024-09-14	Festival in Hoshido (4★SHSR)	Odd Def Wave 3
2025-01-11	2025-01-21	Hostile Springs (4★SHSR)	Odd Def Wave 3
2025-01-13	2025-01-27	Legendary & Mythic Hero Remix 1	Odd Def Wave 3
2025-02-02	2025-03-07	Special Hero Summon	Odd Def Wave 4
2025-02-05	2025-02-15	8th Anniv. "12 Luminaries" 1	Odd Def Wave 4
2025-04-15	2025-05-06	35th Anniv.: Guaranteed Leg. Hero	Odd Def Wave 3
2025-05-22	2025-06-05	Focus: Double Special Heroes	Odd Def Wave 4
2025-06-08	2025-07-13	Focus: Legendary Revival 5	Odd Def Wave 3
2025-06-19	2025-06-29	Flush Summer	Odd Def Wave 4
2025-09-03	2025-09-13	Festival in Hoshido (4★SHSR)	Odd Def Wave 3
2025-11-09	2025-12-14	Focus: Legendary Revival 5	Odd Def Wave 3
2026-01-14	2026-01-24	Hostile Springs (4★SHSR)	Odd Def Wave 3
2026-02-11	2026-02-15	Festival in Hoshido (4★SHSR)	Odd Def Wave 3
2026-02-18	2026-02-22	Hostile Springs (4★SHSR)	Odd Def Wave 3

Distributed units

• Haar: Black Tempest (×1)
• Haar: Black Tempest (×2)
• Haitaka: Persistent General (×1)
• Haitaka: Persistent General (×2)
• Tempest Trials+: Royal Treasures (×1)
• Tempest Trials+: Royal Treasures (×1)
• Use Heroic Grails (×20)
• Use Heroic Grails (×20)
• Use Heroic Grails (×20)
• Grand Hero Battles quest (November 2019) (×1)
• Grand Hero Party quest (February 2023) (×1)
• Resplendent Hero (×1)

Combat Manuals

Start	End	Hero	Currency
2020-03-05T05:00:00Z		Xander: Dancing Knight	Divine Code: Part 1
2021-01-07T03:00:00Z	2021-02-28T06:59:59Z	Ryoma: Samurai at Ease	Divine Code: Ephemera 1
2023-02-06T00:00:00Z	2023-03-28T06:59:59Z	Scáthach: Astra's Wake	Divine Code: Ephemera 2
2026-06-04T07:00:00Z	2026-07-28T06:59:59Z	Hríd: Island Ice Prince	Divine Code: Ephemera 6

Seal acquired from

Tempest Trials reward

• Tempest Trials+: Ice & Flame 4 (2021-10-07T07:00:00Z – 2021-10-18T06:59:59Z): 10,000 Score.

Sacred Seal Forge

•  Odd Def Wave 1: Create for 20  Great Verdant Badge, 100  Verdant Badge, 20  Sacred Coin.
•  Odd Def Wave 2: Enhance for 60  Great Verdant Badge, 200  Verdant Badge, 50  Sacred Coin.
•  Odd Def Wave 3: Enhance for 400  Great Verdant Badge, 1000  Verdant Badge, 100  Sacred Coin.

In other languages

Language	Name
Japanese	守備の波・奇数
German	Ungrade Ver.
Spanish (Europe)	Ola Def impar
Spanish (Latin America)	Ola Def. impar
French	Impair Déf
Italian	Dif dispari
Traditional Chinese (Taiwan)	防守之波・奇數
Portuguese	Onda Def. ímp.

See also

• Odd Wave Passives
• Even Wave Passives
• Tempo Passives