📑ItemDrop

General drop table for special items (jewels, symbols, event boxes, etc.) dropped by monsters, with filters based on map, monster class, and monster level.

Column	Accepted values	Description
Index	Number (combined item code)	The item that can be dropped. Unlike many other files, this one does not use separate Section/Type columns—it stores the complete item code directly.
DropLog	0 or 1	Controls only whether this specific drop is written to the item drop log (WriteItemDropLog). It does not determine whether the item can drop.
Level	Number	Fixed item level when dropped.
Grade	Number	For stackable items (such as jewels), this is the stack size. For equipment, it is used as an alternative Excellent option only if Option4 does not generate one.
Option0 – Option6	Number, or *	Each option controls one item attribute (level, skill/luck/additional option, excellent, ancient/set, socket, etc.) through a probability table defined in another file. * = no option applied.
Duration	Number, in seconds, or 0	If greater than 0, the item expires and disappears after that amount of time. 0 = permanent item.
MapNumber	Map ID, or *	Restricts the drop to a specific map. * = any map.
MonsterClass	Monster class ID, or *	Restricts the drop to a specific monster. * = any monster.
MonsterLevelMin / MonsterLevelMax	Number, or *	Restricts the drop based on the defeated monster's level. * = no limit on that side of the range.
DropRate_AL0 – AL3	Number from 0 to 1,000,000, or *	Drop chance for Free / VIP1 / VIP2 / VIP3 accounts (e.g. 1000 = 0.1%). * = always participates in the drop selection with the minimum possible weight.
Comment	Text after //	Free comment (typically the item name), ignored by the game.

Notes

• DropLog is not an enable/disable switch for the drop. It only controls whether successful drops are recorded in the log file. The actual drop chance is determined by DropRate_AL0–AL3.

• Many event items in the default configuration (Ribbon Boxes, Chocolate Boxes, Sweet Boxes, Lucky Coins, Pumpkins, etc.) have all DropRate values set to 0 for every account level. This means they do not drop under normal conditions. They only become obtainable when an item drop bonus (configured in BonusManager.dat) is active, since the bonus formula can increase a drop chance that starts at zero.

• MapNumber, MonsterClass, MonsterLevelMin, and MonsterLevelMax together determine whether a row is eligible for the drop calculation. If the defeated monster does not satisfy all specified filters, that row is ignored.