Buying royal cristals made my game crash 3 times in a row, then exchanging currency made it crash once more
Sorry to hear you’re having this issue, RekiemOne.
I’ve moved this over to the support section as our support team is better equipped to handle transaction problems.
Hello @RekiemOne
Welcome to the Forums 
I’m really sorry to read about the issue you are experiencing in Lost Ark.
I recommend you to follow the Performance Troubleshooting steps.
Please click here to see [Troubleshooting Frame Rate and Performance Issues Troubleshooting Frame Rate and Performance Issues - Support | Amazon Games guide.
If you have more questions please let us know.
I hope this helps.
(∩◕‿◕)⊃ ━ 