Spd Def Prime

Type	Icon	Name	SP	Required	Description [ExpandCollapse]
A		Spd/Def Prime 1	60	—	If【Bonus】is active on unit, grants Spd/Def+X to unit during combat (X = number of【Bonus】effects active on unit, excluding stat bonuses, × 2, + 1; max 3).	If【Bonus】is active on unit, grants Spd/Def+X to unit during combat (X = number of【Bonus】effects active on unit, excluding stat bonuses, × 2, + 1; max 3). 【Bonus】 All effects that last "for 1 turn" or "that turn only." Includes bonuses granted by a skill like Rally or Hone and positive status effects (extra movement or effects like Dominance).
		Spd/Def Prime 2	120	Spd/Def Prime 1	If【Bonus】is active on unit, grants Spd/Def+X to unit during combat (X = number of【Bonus】effects active on unit, excluding stat bonuses, × 2, + 1; max 5).	If【Bonus】is active on unit, grants Spd/Def+X to unit during combat (X = number of【Bonus】effects active on unit, excluding stat bonuses, × 2, + 1; max 5). 【Bonus】 All effects that last "for 1 turn" or "that turn only." Includes bonuses granted by a skill like Rally or Hone and positive status effects (extra movement or effects like Dominance).
		Spd/Def Prime 3	240	Spd/Def Prime 2	If【Bonus】is active on unit, grants Spd/Def+X to unit during combat (X = number of【Bonus】effects active on unit, excluding stat bonuses, × 2, + 3; max 7).	If【Bonus】is active on unit, grants Spd/Def+X to unit during combat (X = number of【Bonus】effects active on unit, excluding stat bonuses, × 2, + 3; max 7). 【Bonus】 All effects that last "for 1 turn" or "that turn only." Includes bonuses granted by a skill like Rally or Hone and positive status effects (extra movement or effects like Dominance).
		Spd/Def Prime 4	300	Spd/Def Prime 3	If【Bonus】is active on unit, grants Spd/Def+X to unit during combat (X = number of【Bonus】effects active on unit, excluding stat bonuses, × 2, + 3; max 9), and also, if number of【Bonus】effects active on unit (excluding stat bonuses) ≥ 4, unit can counterattack regardless of foe's range during combat.	If【Bonus】is active on unit, grants Spd/Def+X to unit during combat (X = number of【Bonus】effects active on unit, excluding stat bonuses, × 2, + 3; max 9), and also, if number of【Bonus】effects active on unit (excluding stat bonuses) ≥ 4, unit can counterattack regardless of foe's range during combat. 【Bonus】 All effects that last "for 1 turn" or "that turn only." Includes bonuses granted by a skill like Rally or Hone and positive status effects (extra movement or effects like Dominance).
Cannot use:

Effects

Effects	Targets	Conditions
Spd/Def Prime 3
Combat effects
Spd/Def+X (max: 7) X = 【Bonus】 effects active on  Unit x 2, +3 (excluding  Bonuses)	Unit	A 【Bonus】 effect is active on  Unit
Spd/Def Prime 4
Combat effects
Spd/Def+X (max: 9) X = 【Bonus】 effects active on  Unit x 2, +3 (excluding  Bonuses)	Unit	A 【Bonus】 effect is active on  Unit
/ Counter regardless of range		A 【Bonus】 effect is active on  Unit & 【Bonus】 effects active on  Unit (exc.  Bonuses) ≥ 4

Notes

• The stat increase that can be applied by Spd/Def Prime is considered a temporary buff.
• The temporary buffs and counterattack effects of Spd/Def Prime will activate if the user receives a 【Bonus】 (excluding  Bonuses).
  • The temporary buffs and counterattack effects will not be negated if the unit receives a 【Penalty】.
  • If the unit does not receive a 【Bonus】 (excluding  Bonuses), or has their 【Bonus】 removed by a source of positive status effect neutralization, the temporary buffs and counterattack effects will be negated.
  • For more information, see Status effects.

List of owners

Unit	Skill chain
Mia: Summer Slice	Spd/Def Prime 1 5	Spd/Def Prime 2 5	Spd/Def Prime 3 5	Spd/Def Prime 4 5

Availability

Summoning events

Start	End	Event	Skill
2024-08-07	2024-09-07	Timidity Trials	Spd/Def Prime 4

Distributed units

• This skill is not available on any distributed units.

Combat Manuals

• This skill has not been available on any distributed Combat Manuals.

In other languages

Language	Name
English (US)	Spd/Def Prime
Japanese	速さ守備の備え
German	G/V Auftakt
Spanish (Europe)	Vel/Def Apresto
Spanish (Latin America)	Apresto V/D
French	Prélude Vit/Déf
Italian	Zelo Vel/Dif
Traditional Chinese (Taiwan)	速度防守的準備
Portuguese	Zelo Vel./Def.

See also

• According to Plan
• Apotheosis Spear
• Binding Reginleif
• Blue Yule Axe
• Child's Compass
• Dual Ice Mirrors
• Emblems' Miracle
• Ereshkigal
• Fallen Star
• Fiery War Sword
• Frostbite Mirror
• Geirdriful
• Grim Brokkr
• Might of Myriads
• Obsidian Tactics
• Ostia's Heart
• Ostian Counter
• Partnership Bow
• Payday Pouch
• Penitent Lance

• Counter Passives
• Counter Seals
• Prime Passives
• Weapons with Distant Counter
• Weapons with Close Counter