Tes4Mod:Mod File Format/LVLI

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LVLI records hold information on leveled item list. Subrecords known to occur in an LEVI record include (confirmed):

• EDID (required): Editor ID (variable length string)
• LVLD (required): Chance none value (1 byte)
• LVLF (required): Level list flags (1 byte)
• LVLO (optional, mult): Level list item (12 bytes or 8 bytes)
• DATA (optional): Only occurs in a couple LVLI records in oblivion.esm (1 byte)

[edit] LVLF Subrecord

This 1 byte (confirmed) subrecord stores the leveled list flags.

0x01 = Calculate for All Levels <= Player's Level

0x02 = Calculate for Each Item in Count

Some of the older leveled list entries do not have an LVLF subrecord. Instead, the high-order bit of the LVLD subrecord is used for the "calculate for all levels <= player's level" flag.

[edit] LVLO Subrecord

There will be one of these 12 byte or 8 byte (confirmed, almost always 12 byte) subrecords for each item in the list.

Name	Type/Size	Info
Level	2 (word)	Item level
Unknown1	2 (word)	?
FormID	4 (dword)	Item form ID
Count	2 (word)	Item count
Unknown2	2 (word)	?

For new ESPs the Unknown1/Unknown2 seem to be the same value (0x02D6). The values vary in Oblivion.esm and are not always the same.