A PAL file is the basic palette, each file holds 3 x 256 bytes.
Palette name
filename
ID
Normal
BLOOD
none
Underwater
WATER
1
Beast
BEAST
2
Undergoo
SEWER
3
Invulnerability
INVULN1
4
If you wish to replace a PAL you can not simply rely
on the ID and use a custom filename.
The engine also checks the filenames so PAL files need to be replaced
with the same name.
See also PSP 2 Blood Pal and Pal Replacer
in the tools
section.