Pacifying Agent (crawlspace)
At the bottom of the stairs coming from Ashina Castle, look for a crawlspace on the right.
Crawlspace on the left as you approach the main area with the pit.
Pacifying Agent (floor)
Bottom
Bottomless Hole
Giant cave
Mibu Balloon of Soul (planks)
Up on a high ledge, first item if coming from the Ashina Castle side of the dungeon.
On a ledge.
Mibu Balloon of Soul (ground)
Sculptor's Idol (Bottomless Hole)
From this idol, you can continue on to Ashina Depths.
If you haven't sent him to Doujun yet.
Down the hole
Waterway
Sculptor's Idol (Underground Waterway)
Boat dock
Follow the waterway to reach Senpou Temple.
After sending the samurai
Lump of Fat Wax and rest
"How's this, master Dousaku?"
Talk to him again, receive Surgeon's Stained Letter
Talk to him again, give Red Carp Eyes, rest
"Master Dousaku... What on earth..."
the samurai, rest