From Dark and Darker Wiki

loot_drop_groups
order
"0"
data
0
loot_drop_id"ID_Lootdrop_Spawn_TracingWheel"
drop_rate_id"ID_Droprate_QuestItemDefaultCommon"
roll_count1
loot_drops
ID_Lootdrop_Spawn_TracingWheel
items_per_luck_grade
41
items_order
"Tracing Wheel"
items_data
Tracing Wheel
luck_grade4
rarity4
count1
drop_rates
ID_Droprate_QuestItemDefaultCommon
00.5
20.15
30.2
40.1
50.05