Bat Wing Membrane

Material

Description

Basic engraving material. Used to engrave an item, randomly granting one of two stat boosts preset by equipment type.

Details

Category: Material
Grade: Rare

Affixes this material grants

Rolling this material onto gear can add the following stats, scaling with the gear tier.

Lightning Damage (%)WEAPON · tier 4–4
Fire Damage (%)WEAPON · tier 4–4
Damage ReductionARMOR · tier 3–3
Max HPARMOR · tier 3–3
Critical DamageACCESSORY · tier 3–3
Add HP Per HitACCESSORY · tier 3–3

Where to farm

Loot boxes that can contain Bat Wing Membrane, and the stages that drop those boxes.

Act Boss Box Lv30

2.45% chance per open · Legendary

Hell Command ChamberAct 3 · boss · — drop

Act Boss Box Lv45

1.98% chance per open · Legendary

Pharaoh's UnderchannelAct 2 · boss · — drop

Act Boss Box Lv40

1.77% chance per open · Legendary

Throne of DarknessAct 1 · boss · — drop

Act Boss Box Lv20

1.52% chance per open · Legendary

Pharaoh's UnderchannelAct 2 · boss · — drop

Act Boss Box Lv60

1.50% chance per open · Legendary

Throne of DarknessAct 1 · boss · — drop

Act Boss Box Lv50

1.25% chance per open · Legendary

Hell Command ChamberAct 3 · boss · — drop

Stage Boss Box Lv80

1.21% chance per open · Rare

WastelandAct 1 · boss · 8% drop
Eerie CanyonAct 1 · boss · 8% drop
Burning Village EntranceAct 1 · boss · 8% drop
Rumstreet SquareAct 1 · boss · 8% drop
City OutskirtsAct 1 · boss · 8% drop
CemeteryAct 1 · boss · 8% drop
Cursed LandAct 1 · boss · 8% drop
Oasis RoadAct 2 · boss · 8% drop
Sandstorm ValleyAct 2 · boss · 8% drop
Desert Underground CaveAct 2 · boss · 8% drop
Bug NestAct 2 · boss · 8% drop
Scorching DunesAct 2 · boss · 8% drop
Sunset RuinsAct 2 · boss · 8% drop
Midnight SandsAct 2 · boss · 8% drop
Sacred TombAct 2 · boss · 8% drop
Pharaoh's CryptAct 2 · boss · 8% drop
Snowbound OutpostAct 3 · boss · 8% drop
Frozen BattlefieldAct 3 · boss · 8% drop
Glacial Cave EntranceAct 3 · boss · 8% drop
Frozen Glacier CavernAct 3 · boss · 8% drop
Hell GateAct 3 · boss · 8% drop
Burning RavineAct 3 · boss · 8% drop
Plains of TormentAct 3 · boss · 8% drop
Citadel of RuinAct 3 · boss · 8% drop
Core of the AbyssAct 3 · boss · 8% drop

Stage Boss Box Lv65

0.997% chance per open · Rare

Scorching DunesAct 2 · boss · 10% drop
Sunset RuinsAct 2 · boss · 10% drop
Midnight SandsAct 2 · boss · 10% drop
Sacred TombAct 2 · boss · 10% drop
Pharaoh's CryptAct 2 · boss · 10% drop
Snowbound OutpostAct 3 · boss · 10% drop
Frozen BattlefieldAct 3 · boss · 10% drop
Glacial Cave EntranceAct 3 · boss · 10% drop
Frozen Glacier CavernAct 3 · boss · 10% drop
Hell GateAct 3 · boss · 10% drop
Burning RavineAct 3 · boss · 10% drop
Plains of TormentAct 3 · boss · 10% drop
Citadel of RuinAct 3 · boss · 10% drop
Core of the AbyssAct 3 · boss · 10% drop
PastureAct 1 · boss · 8% drop
Shadow MeadowAct 1 · boss · 8% drop

Act Boss Box Lv70

0.787% chance per open · Legendary

Hell Command ChamberAct 3 · boss · — drop

Act Boss Box Lv65

0.782% chance per open · Legendary

Pharaoh's UnderchannelAct 2 · boss · — drop

Stage Boss Box Lv50

0.771% chance per open · Rare

Hell GateAct 3 · boss · 15% drop
Burning RavineAct 3 · boss · 15% drop
Plains of TormentAct 3 · boss · 15% drop
Citadel of RuinAct 3 · boss · 15% drop
Core of the AbyssAct 3 · boss · 15% drop
PastureAct 1 · boss · 10% drop
Shadow MeadowAct 1 · boss · 10% drop
WastelandAct 1 · boss · 10% drop
Eerie CanyonAct 1 · boss · 10% drop
Burning Village EntranceAct 1 · boss · 10% drop
Rumstreet SquareAct 1 · boss · 10% drop
City OutskirtsAct 1 · boss · 10% drop
CemeteryAct 1 · boss · 10% drop
Cursed LandAct 1 · boss · 10% drop
Oasis RoadAct 2 · boss · 10% drop
Sandstorm ValleyAct 2 · boss · 10% drop
Desert Underground CaveAct 2 · boss · 10% drop
Bug NestAct 2 · boss · 10% drop

Normal Monster Box Lv80

0.723% chance per open · Common

WastelandAct 1 · monsters · 0.8% drop
Eerie CanyonAct 1 · monsters · 0.8% drop
Burning Village EntranceAct 1 · monsters · 0.8% drop
Rumstreet SquareAct 1 · monsters · 0.8% drop
City OutskirtsAct 1 · monsters · 0.8% drop
CemeteryAct 1 · monsters · 0.8% drop
Cursed LandAct 1 · monsters · 0.8% drop
Oasis RoadAct 2 · monsters · 0.8% drop
Sandstorm ValleyAct 2 · monsters · 0.8% drop
Desert Underground CaveAct 2 · monsters · 0.8% drop
Bug NestAct 2 · monsters · 0.8% drop
Scorching DunesAct 2 · monsters · 0.8% drop
Sunset RuinsAct 2 · monsters · 0.8% drop
Midnight SandsAct 2 · monsters · 0.8% drop
Sacred TombAct 2 · monsters · 0.8% drop
Pharaoh's CryptAct 2 · monsters · 0.8% drop
Snowbound OutpostAct 3 · monsters · 0.8% drop
Frozen BattlefieldAct 3 · monsters · 0.8% drop
Glacial Cave EntranceAct 3 · monsters · 0.8% drop
Frozen Glacier CavernAct 3 · monsters · 0.8% drop
Hell GateAct 3 · monsters · 0.8% drop
Burning RavineAct 3 · monsters · 0.8% drop
Plains of TormentAct 3 · monsters · 0.8% drop
Citadel of RuinAct 3 · monsters · 0.8% drop
Core of the AbyssAct 3 · monsters · 0.8% drop

Stage Boss Box Lv40

0.721% chance per open · Rare

Cursed LandAct 1 · boss · 15% drop
Oasis RoadAct 2 · boss · 15% drop
Sandstorm ValleyAct 2 · boss · 15% drop
Desert Underground CaveAct 2 · boss · 15% drop
Bug NestAct 2 · boss · 15% drop
Scorching DunesAct 2 · boss · 15% drop
Sunset RuinsAct 2 · boss · 15% drop
Midnight SandsAct 2 · boss · 15% drop
Sacred TombAct 2 · boss · 15% drop
Pharaoh's CryptAct 2 · boss · 15% drop
Snowbound OutpostAct 3 · boss · 15% drop
Frozen BattlefieldAct 3 · boss · 15% drop
Glacial Cave EntranceAct 3 · boss · 15% drop
Frozen Glacier CavernAct 3 · boss · 15% drop

Stage Boss Box Lv30

0.667% chance per open · Rare

Citadel of RuinAct 3 · boss · 20% drop
Core of the AbyssAct 3 · boss · 20% drop
PastureAct 1 · boss · 15% drop
Shadow MeadowAct 1 · boss · 15% drop
WastelandAct 1 · boss · 15% drop
Eerie CanyonAct 1 · boss · 15% drop
Burning Village EntranceAct 1 · boss · 15% drop
Rumstreet SquareAct 1 · boss · 15% drop
City OutskirtsAct 1 · boss · 15% drop
CemeteryAct 1 · boss · 15% drop

Act Boss Box Lv85

0.501% chance per open · Legendary

Throne of DarknessAct 1 · boss · — drop

Normal Monster Box Lv65

0.486% chance per open · Common

Scorching DunesAct 2 · monsters · 1% drop
Sunset RuinsAct 2 · monsters · 1% drop
Midnight SandsAct 2 · monsters · 1% drop
Sacred TombAct 2 · monsters · 1% drop
Pharaoh's CryptAct 2 · monsters · 1% drop
Snowbound OutpostAct 3 · monsters · 1% drop
Frozen BattlefieldAct 3 · monsters · 1% drop
Glacial Cave EntranceAct 3 · monsters · 1% drop
Frozen Glacier CavernAct 3 · monsters · 1% drop
Hell GateAct 3 · monsters · 1% drop
Burning RavineAct 3 · monsters · 1% drop
Plains of TormentAct 3 · monsters · 1% drop
Citadel of RuinAct 3 · monsters · 1% drop
Core of the AbyssAct 3 · monsters · 1% drop
PastureAct 1 · monsters · 0.8% drop
Shadow MeadowAct 1 · monsters · 0.8% drop

Normal Monster Box Lv50

0.249% chance per open · Common

Hell GateAct 3 · monsters · 1.5% drop
Burning RavineAct 3 · monsters · 1.5% drop
Plains of TormentAct 3 · monsters · 1.5% drop
Citadel of RuinAct 3 · monsters · 1.5% drop
Core of the AbyssAct 3 · monsters · 1.5% drop
PastureAct 1 · monsters · 1% drop
Shadow MeadowAct 1 · monsters · 1% drop
WastelandAct 1 · monsters · 1% drop
Eerie CanyonAct 1 · monsters · 1% drop
Burning Village EntranceAct 1 · monsters · 1% drop
Rumstreet SquareAct 1 · monsters · 1% drop
City OutskirtsAct 1 · monsters · 1% drop
CemeteryAct 1 · monsters · 1% drop
Cursed LandAct 1 · monsters · 1% drop
Oasis RoadAct 2 · monsters · 1% drop
Sandstorm ValleyAct 2 · monsters · 1% drop
Desert Underground CaveAct 2 · monsters · 1% drop
Bug NestAct 2 · monsters · 1% drop

Stage Boss Box Lv20

0.247% chance per open · Rare

Sacred TombAct 2 · boss · 20% drop
Pharaoh's CryptAct 2 · boss · 20% drop
Snowbound OutpostAct 3 · boss · 20% drop
Frozen BattlefieldAct 3 · boss · 20% drop
Glacial Cave EntranceAct 3 · boss · 20% drop
Frozen Glacier CavernAct 3 · boss · 20% drop
Hell GateAct 3 · boss · 20% drop
Burning RavineAct 3 · boss · 20% drop
Plains of TormentAct 3 · boss · 20% drop

Act Boss Box Lv90

0.242% chance per open · Legendary

Pharaoh's UnderchannelAct 2 · boss · — drop
Hell Command ChamberAct 3 · boss · — drop

Normal Monster Box Lv40

0.165% chance per open · Common

Cursed LandAct 1 · monsters · 1.5% drop
Oasis RoadAct 2 · monsters · 1.5% drop
Sandstorm ValleyAct 2 · monsters · 1.5% drop
Desert Underground CaveAct 2 · monsters · 1.5% drop
Bug NestAct 2 · monsters · 1.5% drop
Scorching DunesAct 2 · monsters · 1.5% drop
Sunset RuinsAct 2 · monsters · 1.5% drop
Midnight SandsAct 2 · monsters · 1.5% drop
Sacred TombAct 2 · monsters · 1.5% drop
Pharaoh's CryptAct 2 · monsters · 1.5% drop
Snowbound OutpostAct 3 · monsters · 1.5% drop
Frozen BattlefieldAct 3 · monsters · 1.5% drop
Glacial Cave EntranceAct 3 · monsters · 1.5% drop
Frozen Glacier CavernAct 3 · monsters · 1.5% drop

Normal Monster Box Lv30

0.030% chance per open · Common

Citadel of RuinAct 3 · monsters · 2% drop
Core of the AbyssAct 3 · monsters · 2% drop
PastureAct 1 · monsters · 1.5% drop
Shadow MeadowAct 1 · monsters · 1.5% drop
WastelandAct 1 · monsters · 1.5% drop
Eerie CanyonAct 1 · monsters · 1.5% drop
Burning Village EntranceAct 1 · monsters · 1.5% drop
Rumstreet SquareAct 1 · monsters · 1.5% drop
City OutskirtsAct 1 · monsters · 1.5% drop
CemeteryAct 1 · monsters · 1.5% drop