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

Ashlord's Rite