Norio is introduced during Act 2 and has 9 quests to complete for the trophy.
1/9 The last Warrior Monk (Act 2)
2/9 Three Actions, Three Illusions (Act 2)
3/9 Ghosts in the Fog (Act 2)
4/9 The Birth of Suffering (Act 2)
5/9 The Blood Sutra (Act 2)
6/9 The Cause of Suffering (Act 2)
7/9 The End of Suffering (Act 2)
8/9 The Guardian of Tsushima (Act 3)
9/9 This Threefold World (Act 3)
The ninth quest splits in to two start positions, you only need to complete one for the trophy. I chose the Southern start point at the cemetry.