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Act Boss Box Lv450.75%1 of 4Act Boss Box Lv300.68%1 of 4Act Boss Box Lv600.55%1 of 4Act Boss Box Lv400.49%1 of 4Act Boss Box Lv200.43%1 of 4Act Boss Box Lv500.35%1 of 4
Stage Boss Box Lv800.34%1 of 4Act Boss Box Lv700.31%1 of 4Stage Boss Box Lv650.28%1 of 4Stage Boss Box Lv500.22%1 of 4
Normal Monster Box Lv800.21%1 of 4Act Boss Box Lv650.21%1 of 4Stage Boss Box Lv400.21%1 of 4Act Boss Box Lv850.20%1 of 4Stage Boss Box Lv300.19%1 of 4Normal Monster Box Lv650.14%1 of 4Act Boss Box Lv900.096%1 of 4Normal Monster Box Lv500.075%1 of 4Stage Boss Box Lv200.073%1 of 4Normal Monster Box Lv400.050%1 of 4Normal Monster Box Lv30<0.01%1 of 4
Bat Wing Membrane
RareMaterial#122001
Tradable on Market
Material EffectsEngraving
WeaponLightning Damage Percent50%
+40~50%T4
WeaponFire Damage Percent50%
+40~50%T4
ArmorDamage Reduction50%
+3~4%T3
ArmorMax HP50%
+60~90T3
AccessoryCritical Damage50%
+20~25%T3
AccessoryAdd HP Per Hit50%
+1~2T3
% = chance to roll that stat when a slot has multiple options (equal odds — the game stores no weighting).
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Drop chance from chests
Per-open chance (base pool). Within a tier group one item is chosen, so your exact odds vary by class.