Dark souls any% segmented

Segment 01

Start as Hunter with Master Key.
Unequip the Straight Sword Hilt and drop it as you open the Asylum door.
Pick up the Shortsword and the Shortbow (not the Leather Shield).
Kill Asylum Demon, fly to Firelink.

Belfry Gargoyles
Take the elevator to New Londo Ruins, use the Humanity (dupe it if you can).
Make your way through the Valley of Drakes.
Pick up the Soul of a Proud Knight at the Undead Dragon.
Climb up the ladder near the drakes and grab the Red Tearstone Ring (RTSR).
Roll off and roll three times towards the bridge. Run accross the bridge to the elevator.
Pop the Soul of a Proud Knight (dupe it once to skip killing Oswald later on) on the elevator, equip the RTSR and unequip your armor.
Grab and equip the Grass Crest Shield and make the Black Knight fall off, giving you the BKH.
Run towards the Undead Parish, kill the Crystal Lizard and buy a Battle Axe from Andre of Astora.
Level 18 Strength (up to 20 if you duped the Soul of a Proud Knight).
Get in RTSR range by backstepping through the Berenike Knight's attack.
Kill Gargoyles, ring the bell, use one Estus Flask and drop down to Oswald of Carim for RTSR range.
Buy 2 Homeward Bones, then kill Oswald of Carim (unless you duped the soul earlier) and use a Homeward Bone.

Chaos Witch Quelaag & Centipede Demon & The Bed of Chaos
Level 22 Strength and 18 Dexterity.
Drop unused weapons on the elevator towards Firelink Shrine. Drop down to get in RTSR range. Pick up the 6 Firebombs and the 3 Humanities on the way.
Kill Lautrec of Carim (2 normal attacks), pick up the Ring of Favor and Protection (FAP ring) and take the elevator to New Londo Ruins.
Equip the FAP ring and pop the Twin Humanity.
Pick up the Estoc, turn around and make your way to Blighttown.
Use the Blighttown drop and the poison to get into RTSR range.
Equip the BKH as you go through the foggate.
Kill Quelaag, hitting her in the torso to stunlock her if possible.
Ring the second bell, drop down the hole and go to the Demon Ruins.
Ceaseless Skip.
Firesage Skip.
Kill Centipede Demon.
Equip Orange Charred Ring and run to The Bed of Chaos.
Kill The Bed of Chaos with Tokhi Bombs and Homeward Bone back to Undead Parish.

Great Grey Wolf Sif
Level up to 25 Endurance and 27 Strength.
Upgrade the BKH to +2, buy the Crest of Artorias and the Weapon Smithbox from Andre of Astora.
Use the Titanite Demon to get into RTSR Range (2 non-blocked counter hits).
Pick up the Stone Armor.
Equip the BKH as Sif's door opens, pick up the Hornet Ring.
Kill Sif then use the Darksign without waiting.

Iron Golem
Head through Sen's Fortress, don't pick anything up, get in RTSR range with Boulder Skip (don't need any armor).
Kill Iron Golem by knocking him off the edge, two R1-R1 combos to his legs should do it.

Dragon Slayer Ornstein & Executioner Smough
Rest at the Anor Londo bonfire, don't level up anything.
Run through the rafters and past the Silver Knight archers (you can kill the archer easily with the halberd).
Get RTSR range from the Silver Knight at the bottom of the stairs.
Jump over the railing of the stairs and moveswap the BKH with the Estoc.
Kill Ornstein, then Super Smough.
Kill Gwynevere with the bow, dupe a Homeward Bone and warp to Firelink Shrine.

Seath the Scaleless
Place the Lordvessel and warp to Anor Londo using it. Head to The Duke's Archives.
Dupe Soul of Sif twice on each elevator.
Duke Skip.
Use falls to get in RTSR range, kill the three Crystal Lizards. Save & Quit if you miss any.
Try and avoid having clams in your Seath fight.
Shoot the Primordial Crystal with your bow and kill Seath with R1s (don't combo them).
Pop Soul of Sif and Homeward Bone out.

Pinwheel & Gravelord Nito
Upgrade the BKH to +4, level up to 32 Endurance and 24 Vitality. Warp to Firelink Shrine.
Head towards the Catacombs, moveswap before Pinwheel.
Kill Pinwheel.
Equip the Grass Crest Shield and the BKH on the next ladder.
Kill the Crystal Lizard.
Equip Stone Armor as you go through the Nito foggate.
Kill Nito, unequip armor, then Homeward Bone back to Firelink Shrine.

Four Kings
Level up the BKH to +5. Warp to Firelink Shrine.
Seal Skip (make sure to remove your FAP ring before doing the RTSR setup).
Go towards Four Kings, make sure you have the Covenant of Artorias equipped.
Moveswap in The Abyss.
Kill Four Kings (2 kings: [1 running attack + 1 R1 (3 hits in total), then 1 running attack + 2 R1s on the death animation hitbox] x 2). Darksign back.

Gwyn, Lord of Cinder
Enter the Kiln of the First Flame.
Get into RTSR range by Toggle Escaping a running backstab from the first Black Knight.
Exchange Covenant of Artorias for Hornet Ring as you go through the foggate.
Kill Gwyn (2 ripostes will kill him).