[Gameplay][Arcade] Bat Swarm Freezes Screen

[cYs]

When the Bat Swarm effect appears in the Halloween Floors (In both Challenges and Scarecrow Boss), it causes my game's FPS to drop to 0. The game's graphics completely freeze, and after about 3~5 seconds it resumes as normal.

It tends to occur at the later parts of the challenges or boss fights, when there are multiple swarms at once.
The bug is extremely consistent, but does not happen 100% of the time. I would say that out of around 50 bat challenge rooms, I have had two occurrences where the bug did not occur.

This happens to me on both Single-player and Multiplayer. In a multiplayer run, I am the only player affected when this happens.

Although I am on Frontline, I have had this bug happen to me on previous patches.
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Info about my setup

Graphics Cards (Laptop):
Intel(R) HD Graphics 520
NVIDIA GeForce 940M

I display the game on an external monitor.

 

[Teddy]

Hey, thanks for the report!

Since you seem to have two GPUs on your laptop, have you tried forcing the game to be played on your NVIDIA card?

The answer to this post goes into some detail on how to do that: https://gaming.stackexchange.com/qu...ce=google_rich_qa&utm_campaign=google_rich_qa

Does following those steps help with the bat lag?

 

[cYs]

It worked! Tried a few arcade runs and had no trace of bat lag anymore. Guess it was just a quirk of the integrated card. Thanks for the help!