The path of Ash.
Goes as follows:
Nightwatcher's Secret Grasp of Ash Ashen Passage
Sidepaths: Priest's Ritual Ashen Eyes
Mark of Ash Ritual of Knowledge Mask of Madness
Sidepaths: Curse of Corrosion Curse of Paralysis
Fiery Blade Nightwater's Rebirth
Sidepaths: Ashen Ritual Rusted Ritual