Understand Bat Membrane Drop Rates

Drop Chance Mechanics

Each bat killed has a 0.75 probability of dropping one phantom membrane. This means approximately 75% of bats will yield a membrane, while 25% will drop nothing.

Planning Your Farm Output

If you need a specific number of membranes, calculate based on this rate. For example, to reliably obtain 10 membranes, kill around 14 bats to account for the 25% failure rate. Killing more bats than your target ensures you won't fall short.

Efficiency Considerations

Bats are common in caves, making them an accessible and renewable resource. Unlike phantoms, which require sleep deprivation to spawn, bats spawn naturally in dark environments. This makes the Bat Membrane Mod significantly more efficient for consistent membrane farming.

Comparing to Phantoms

Phantom membranes from phantoms require enduring multiple nights of attacks. Bat farming removes this frustration entirely while providing a predictable drop rate that you can plan around.