ディフラッシュ [dayflash] in Japanese.
Airborne Brigade

R+ (ability)
Type: AGI, Element: -, Growth: Normal, Cost: 14
Attack: 1,150 (lv1), ? (lv80), ? (lv100), 6,411 (lv120), 7,295 (lv140), 8,180 (lv160)
Defense: 1,120 (lv1), ? (lv80), ? (lv100), 6,209 (lv120), 7,064 (lv140), 7,920 (lv160)
Obtain: event: (unknown, the FF25 anniversary pre-event was skipped in English version)
R (ability)
Type: AGI, Element: -, Growth: Normal, Cost: 10
Attack: 760 (lv1), ? (lv60), ? (lv75), ? (lv90), ? (lv105), 4,840 (lv120)
Defense: 700 (lv1), ? (lv60), ? (lv75), ? (lv90), ? (lv105), 3,960 (lv120)
Obtain: event: (unknown, the FF25 anniversary pre-event was skipped in English version)

Warrior of Light I (SR summon)
Type: Legend, Element: -, Growth: Normal, Cost: 54
Brave: 2,701 (lv1), 13,407 (lv240), 14,750 (lv270), 16,094 (lv300), 17,438 (lv330), 18,782 (lv360), 20,126 (lv390), 21,470 (lv420), 22,814 (lv450), 24,158 (lv480)
Ability: Dayflash
Obtain: Shattered World part 1 ranking reward
Category: Ability