Microbadge: 

• The Faith keeps records and scriptures concerning knowledge of the Dragon - and for this reason the Arisen's childhood friend Quina joins them
• The nihilist cult known as Salvation worships the Dragon, or at least the destruction he brings.
• According to the monk Haslett, the Dragon will 'roar thrice' - the interpretation of this is unclear, though the Arisen will encounter the Dragon only three times during their quest.
• Grigori is the name given to the angels referred to as "the watchers" in the Books of Enoch in Biblical mythology. The Dragon's winged appearance, his resistance to Holy magic, and the image displayed in the loading screen complement this angelic motif.
Quotes
"If you would face me... Take up arms, newly Arisen... For my kind do not heed the toothless." - Grigori
"What is your purpose here, Arisen? If you sought to live you had naught but run and hide yourself away. But then, tell me, child of man... what does it mean to live in truth?" - Grigori
"Some welcome the end with arms outstretched, while others come to face death incarnate, arms in hand." - Grigori
"For the price of a single life, I shall leave this land in peace. As my vanquisher, the duchy would bow to you. Wealth and power are sweet anodyne for heartache. You'll not gainsay my terms are more than generous. If it matters aught, the man who rules this land now won that honor through just such a bargain." - Grigori
"Heed well this place, Arisen. Know the frailty of the works of man. This hold once stood proud and firm... 'Twas the fool's decision of a man too weak brought it down." - Grigori
"Pitiable wingless human... return to the earth!" - Grigori
"This sensation, this pain... I know it well. The hurt you visit upon me is the selfsame pain I once inflicted! This battle is mine, just as it is yours. It is aught I began long ago." - Grigori
"Only my death will staunch the flood of destruction that is to come. A task still far beyond your means." - Grigori
"Consider... The infinite potential... just as you call forth pawns, so I command all life into existence. Call it divine creation if you must, but expect none of the mercy men seek in their Gods. This is cold truth, the unbending reality of a world without compassion." - God
"There was a sense of... familiarity between you. An air of kinship, almost. 'Twas enough to make me envious, the bond you shared with the beast as equals. Pray, do not take offense, but I saw a likeness in you and the dragon." -Mercedes Marten
Anime
"I need nothing. I kill because it is my nature. I desire not your deaths. I require not the nourishment your bodies provide. I have no thirst for your blood. These are the needs of lesser beings, of flawed humans. Not those of a dragon." - Grigori
"Asking me not to kill is tantamount to asking you not to breath. An effortless function that requires no thought and yet is paramount to your existence." - Grigori
"I am bound by my nature. But you... look unto thine self. Thine desire to kill me. Is it your nature?" - Grigori
"Humans who loose their hearts and become Arisen are destined to battle dragons. But that battle must not be waged for the sake of revenge. To pursue only ones desire to slay the dragon then thou be fated to become the next dragon." - Grigori
"Canst thou even imagine, coming back to ones senses, only to be face with hell on earth? And it is a hell of thine own making." - Grigori
"No apologies shall I offer you. Thou was defeated by thine own desire. And now, thou must pay the price." - Grigori
"A final request. Protect those foolish humans from me." - Grigori
"My father's blood runs through my veins. The blood of a man that destroyed his family because of his selfishness. That blood is in me and I fear it." - Ethan
"Humans sometimes behave in mysterious ways. What troublesome creatures."
"Those in power want to stay in power and they do that by keeping people like us down." - Balthazar
"Foolish? My father used to do that sort of thing. He did everything he could for me. He taught me the importance of protecting your family. I failed my wife and child. I'll not fail this family." - Ethan
Grigori: "Heartless one. How much darkness has thou seen throughout thine travels here? The darkness of the human condition. You have seen it. I know you have. Humans suck each other dry to fill their own bellies. They smite one another. The selfish neglect their responsibilities and lose themselves in vice. Once honorable men crumble when confronted by monetary gain. The weak willed are all to eager to be consumed. Humans pretend to be moral creatures but are driven by their most base instincts. They are corrupt, evil beings. Does thou not agree?"
Arisen: "I have seen the worst of humanity. Learnt that man is capable of unspeakable evils, but is not inherently corrupt. They are redeemable. They are not deserving of your judgment."