1. Use "UnpackDarkSoulsForModding" tool to unpack Dark Souls archive files.
2. Unzip the downloaded file. Make a backup of the original files the mod replaces. V V V

3. Place "c5210.anibnd" and "c5210.chrbnd" files from the downloaded zip into your "\Dark Souls Prepare to Die Edition\DATA\chr" folder.
4. Place "o2300.objbnd" file from the downloaded zip into: "\Dark Souls Prepare to Die Edition\DATA\obj" folder.
5. (Optional) Place "item.msgbnd" file from the downloaded zip into: "\Dark Souls Prepare to Die Edition\DATA\msg\ENGLISH" folder.
This last file changes the name appearing above boss healthbar.

ENJOY! :)

Made for Dark Souls: Prepare To Die Edition.


some info about the files:
c5210.anibnd - changes time action event data for animations;
c5210.chrbnd - changes Sif's textures, replaces his weapon model used in the fight;
o2300.objbnd - changes the weapon model/texture used in the cutscene