How to get to the underground Ruin Sentinel near Serpent’s Head to farm Chaos Gear, Chaos Axis and Chaos Oculus materials.


  1. If you use your handbook to direct you to Ruin Sentinel locations one of these will be near Serpent’s Head.
  2. There are two locations. The first being directly underneath the Serpent’s Head. You’ll need to solve the Serpent’s Head Puzzle to access this one.
  3. The other is located underneath the mountain that Serpent’s head connects to.
  4. To access this one just walk South of the Momiji Dyed Court domain waypoint.
  5. Summon the Electrogranum and jump down the hole in the ground (See Above).
  6. Activate the mechanism to drain the water and head downstairs to find the Ruin Sentinel.