NES - Castlevania 3 : Dracula's Curse - Boss Rush (No Damage & Subweapons)

NES - Castlevania 3 : Dracula's Curse - Boss Rush (No Damage & Subweapons)
Boss List:
Skeleton Knight (0:15)
Grant DaNasty (0:40)
Hammer Cyclops (1:14)
Medusa (2:08)
Two Coffins (Mummies & Hammer Cyclops) (2:24)
Frankenstein (3:54)
Twin Serpents (4:48)
Three Coffins (Mummies,Hammer Cyclops & Gargoyle) (6:08)
Vampire Bat (8:27)
Alucard (8:38)
Skeleton Knight (9:23)
Frankenstein (10:06)
Skeleton Dragon (10:58)
Vampire Bat (13:13)
Three Coffins (Mummies,Hammer Cyclops & Gargoyle) (13:27)
Grim Reaper / Death (15:13)
Doppelganger (16:22)
Count Dracula (17:48)
I disabled comment due to the issue @ 10:48
they claimed that I'm using TAS or cheats but I didn't
the reason why I didn't get hit on that part because when the player defeats the boss, remaining attacks have no effect anymore unlike in Rondo of Blood and other versions of it.