From Dark and Darker Wiki

loot_drop_groups
order
"1031"
"2031"
"3031"
"4031"
data
1031
loot_drop_id"ID_Lootdrop_Spawn_CrimsonThreadSpool"
drop_rate_id"ID_Droprate_QuestItemDefaultCommon_1031"
roll_count1
2031
loot_drop_id"ID_Lootdrop_Spawn_CrimsonThreadSpool"
drop_rate_id"ID_Droprate_QuestItemDefaultCommon_2031"
roll_count1
3031
loot_drop_id"ID_Lootdrop_Spawn_CrimsonThreadSpool"
drop_rate_id"ID_Droprate_QuestItemDefaultCommon_3031"
roll_count1
4031
loot_drop_id"ID_Lootdrop_Spawn_CrimsonThreadSpool"
drop_rate_id"ID_Droprate_QuestItemDefaultCommon_4031"
roll_count1
loot_drops
ID_Lootdrop_Spawn_CrimsonThreadSpool
items_per_luck_grade
31
items_order
"Crimson Thread Spool"
items_data
Crimson Thread Spool
luck_grade3
rarity3
count1
drop_rates
ID_Droprate_QuestItemDefaultCommon_1031
00.5
20.15
30.2
40.1
50.05
ID_Droprate_QuestItemDefaultCommon_2031
00.2
20.1
30.2
40.2
50.2
60.1
ID_Droprate_QuestItemDefaultCommon_3031
20.05
30.15
40.25
50.3
60.2
70.05
ID_Droprate_QuestItemDefaultCommon_4031
00.2
20.1
30.2
40.2
50.2
60.1