Notes from AllergicToRye on discord
Slab%
Rosaries dropped from strings and enemies may drop where it's inconvenient or impossible to collect, so more than needed are listed

Frayed Rosary String +30 (30)
Moss Mother

Rocks to right of Beastfly Pogo +60 (90)
Beastfly Pogo
In the room with overgrown pilgrims, hit lever on the way up to Silkspear
Eric Pogo
Silk Spear

Left to Frayed Rosary String +30 (120)
Left and Down spear Strings +17 (137)
Kill Overgrown Pilgrim x2 and Pilgrim Pouncer x1 +31 (168)
Bell Beast 
SQ after silk heart
 
Open bell bench by hitting lever and reentering the room, continue to the right hitting trapdoor lever on the way
In the room with the red flowers, pogo up to the path under the chest room 
Hit the shortcut lever before the bellvein room and drop down on way to Deep Docks

Kill Smelt Shoveller before Deep Docks +7 (175)
Swift Step
Kill Smelt Shoveller after Swift Step +7 (182)

Left after elevators towards Marrow
Kill Smelt Shoveller on platform (some rosaries can fall into lava) +7 (189)
Rosary string before transition +8 (197)
Jail Rocks +45 (242)
Up shortcut opened previously to bellvein room +30 (272)

Left and Up to Chest room
Chest and Strings +70 (342)

Backtrack and then left towards Marrow Bellway
Crab Rock +23 (375)
Down through trapdoor, top left exit

Shakra Room rocks +40 (415)
Platform up and kill Winged Pilgrim x1 and Pilgrim Pouncer x1 +11 (426)
Kill Pilgrim Groveller where Shakra used to be +5 (431) 
Kill Overgrown Pilgrim x2, Pilgrim Pouncer x1, and Pilgrim Groveller x1 +36 (467)

Down and left towards Wormways
Rock under Wormways +25 (492)
Jump right and fall through transition, pogo and dash to land on elevator platform
Rosary Strings above elevator +30 (522)
Hit elevator on the way down to Bone Bottom

Buy Simple Key from Pebb
Up the elevator towards Wormways

Make your way through Wormways up to Shellwood
Right through breakable wall behind bench
Right through first long horizontal room, then up towards cling grip
Garama skip
Cling Grip

Right exit by garama skip
Down past bench above stick bug arena, right to Bellhart
Enter Bellway then break the wall and head down
Down then up the wall, drop down first hole, right at bottom
Wait for winged furm then first left, get the rosaries
Continue to the left to breakable wall, drop down, right, drop down, left to breakable wall
Get Rosaries, then continue to Deep Docks

Up elevators to swift step room 
Right from swift step, blow up the rock, then up to jailer room
Get captured
Down then left, break floor and up
Left and down outside, first right exit
Down and grab key of indolent
Up to bench, then down right to key
arena with spike traps
Up and around the jail outside
 
Belongings arena
Drop all the way down, then navigate to bellway
Unlock the bellway
GGs