Computer Freezing at Lugae, Tower of Babil 9 out of ten times. Then with the login in queues I cannot get back to my group.

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Date & Time: 1/1/2022; 8pm CST
Frequency: 9/10 times
World name: Famfrit
Character name: Caltrains Terisiare
Retainer name:
NPC name:
Monster name: Lugae
Class/Level: 90 Reaper and 84 Summoner
Party or solo: both
In-game time:
Area and coordinates: Tower of Babil
Housing:
Steps:
1. Go to 2nd boss in tower of Babil
2. Game randomly freezes on different attacks.
3. This is the only place I found this happens.
*Add more steps if necessary

Connection Specs
- Type of internet connection/provider: cable 400mbps
- Modem maker/model number: Motorola

Computer Model Name: 2019 27” iMac
Computer Model Number: H12C9HRCJV40
3.6Ghz i9 8 core
32GB ram
Radeon Pro Vega 48 8GB graphics card
Standard mouse and keyboard.