Black Knight Greatsword Any% Kiln Skip

This is an overview of the current Black Knight Greatsword (BKGS) Dark Souls Any% Kiln Skip route. Note, that this does not include any safety strategies for people learning the route.

Overview

Start as Hunter with Master Key.
Unequip all weapons and armour, drop the Straight Sword Hilt as you open the Asylum door.
Pick up the Shortsword, the Shortbow and the Large Leather Shield.
Kill Asylum Demon, fly to Firelink.

Go through the Undead Burg.
Grab the Gold Pine Resin.
Use the Gold Pine Resin on the Shortsword before entering the Taurus Demon foggate and kill the Crystal Lizard in the barrel.
Kill Taurus Demon.

Run across the Hellkite Drake bridge.
Shoot the Hellkite Drake with your bow, use Gold Pine Resin on the Shortsword and cut his tail.
Run towards the Sunlight Altar bonfire, pull the lever and equip the Drake Sword.
Go up the tower to the Black Knight, kill him by riposting once and attacking twice afterwards, getting you the BKGS. Drop down the tower.
Run through the Undead Church, send the elevator down to Firelink Shrine (don't go down yourself).
Kill Gargoyles with Drake Sword, ring the bell and dupe the Homeward Bone.

Level 22 Strength and 18 Dexterity.
Kick Lautrec off the cliff, then Save & Quit when you get the 1000 souls. Load your character and pick up Ring of Favor and Protection (FAP ring).
Head down towards New Londo Ruins (drop all weapons on the elevator except BKGS, Shortbow and Large Leather Shield).
Grab the Estoc and head towards Blighttown by going through Valley of Drakes.
Do Blighttown drop.
Kill Quelaag with moveswapped BKGS, ring the second bell, then Homeward Bone.

Level 17 Endurance and 23 Strength,
Go up the elevator from Firelink Shrine to Undead Parish and use Soul of Quelaag on the elevator.
Talk to Andre and reinforce the BKGS to +2.
Head through Sen's Fortress, equip Leather Armour for Boulder Skip.
Kill Iron Golem with moveswapped BKGS. He will fall off with two running attacks.

Heal up on the elevator.
Run through the rafters and past the Silver Knight archers.
Jump over the railing of the stairs and moveswap the BKGS with the Estoc.
Kill Ornstein, then Super Smough.
Kill Gwynevere with the bow, then use the Darksign (warp to Firelink Shrine if you took any bonfires).