Gawain takes greatly reduced damage and gains 2 NP ticks per turn.
(Gawain's buff is "Damage reduction" which isn't "armor" so armor ignore effects don't work)
Music used
Iudex Gundyr - Dark Souls 3
Zaveid the Exile - Tales of Zestiria & Bersria
Rockin' 8 Glider mix - Air Gear
Chain Tekno Value mix - Air Gear
The Mother Will Comes Again - Armored Core Verdict Day
Shine Get! - Super Mario Sunshine
Fate/Grand Order Camelot Singularity Boss Battle with Sir Gawain