Greetings, Rane!

Thank you for posting your concerns about your game freezing when you tried to summon your retainer. I have made sure to submit all of your information to the development team, and they will thoroughly investigate this matter, based on your report. Unfortunately, I cannot guarantee that a direct response will be posted on your thread, but I do recommend checking here or here for any details regarding the development team's investigation. I also suggest contacting the SQUARE ENIX Support Center, just in case they may be able to help you resolve this matter. Thanks again for your report!