Item

Book of the Devil

Consumable reference from the extracted Idle RO item data with monster sources and best-map suggestions.

Type: Consumable
Item ID: 642
Weight: 50

Item details

Type: Consumable
Item ID: 642
NPC price: 1,800
Weight: 50
Sold in shop: No

Dropped by

Current Rate is the effective client drop chance at 0% player drop bonus. Repeated rolls are combined. Best map uses the highest normalized Spawn Share for that monster.

Monster	Source	Best map	Current Rate
Marduk Lv 40	normal	Sphinx F3 Spawn share 72.2%	0.003000%