The story didn't start with him. He was simply a character in the grand scheme. When Jizo gave him the legacy, asking him to stop people from going beyond the dungeons, he fell into the cogwheels of fate.
Arthur looked at the sunrise as he sat all alone. Lin Zhao has left him to look for Hana, who was playing somewhere with wandering spirits. The responsibility he was left with became heavier with every person he meets in Alka and Earth.
Seven of the Guardians betrayed the people. Two of them remained neutral when the time needed them most, choosing to disappear from the world.
'How can we trust such gods?'
They were powerful beings, almost toppling the natural order of the world. Arthur wasn't even sure that they were humans, but the fact that people worshiped those who betrayed them irked him.
"Are we going back to the ship?"
