-> '''Ryu Hayabusa''': ''[to Foster] I get two kinds of payment. The first I have already recieved.''
-> '''Ryu Hayabusa''': ''[in response for Foster's betrayal] The second... is you. Foster!''

-> '''Irene Lew''': ''Ryu... Wait...''
-> '''Irene Lew''': ''Ryu, what is the payment you have already recieved?''

-> '''Ryu Hayabusa''': ''She's right in front of me [cue to Ryu and Irene kissing].''

-->-- '''Excerpt from the ending of the first {{NES}} game, Ninja Gaiden'''.

-> '''Genshin''': ''[his final words] Are you there Dragon Ninja?... All grows dark... and silent... I have staked my name... I have fought with all of my being... all to forge a future for the black spider clan, I have no regrets... Just as you have pursued a cause greater than yourself, so too have I... Dragon ninja... take my cursed blade...''

-> '''Ryu Hayabusa:''' ''[accepting the blade with respect] ... Genshin''

-->-- '''Excerpt from the final battle against Genshin, in his final moments, Ninja Gaiden II ({{Xbox360}})'''

-> ''Evil? The ninja way knows neither good nor evil.''
-->-- '''Genshin, Ninja Gaiden II ({{Xbox360}})'''

-> ''My strength comes from training, not from some curse in my blood.''
-->-- '''Ryu Hayabusa, Ninja Gaiden ({{Xbox}})'''

-> ''The Dark Dragon is MINE!... No objections, I presume?''
-->-- '''Murai, Ninja Gaiden ({{Xbox}})'''

-> ''[[TheGoodGuysAlwaysWin Darkness is fated to eventually be destroyed...]]''
-->-- '''Ryu Hayabusa, WarriorsOrochi 3''' [[note]] If Ryu kills an enemy who is the player's x000th kill (1000, 2000, etc.) [[/note]]
----