Assisters disappeared right after appearing in cm

[Yuukikami]

Please fill in as much as you can :

Date and Time(Please, specify the timezone) :
7/10 to 9/10 2021
Server Name:
Telsial
Team Name:
Amani
Character Name:
Shinny
Bug Description :
(letting us know what you were doing before, during, and after the bug happened will help us a lot)
When i enter challenge mode lvl400 (solo mode) the assisters appeared, drop down, and disappear instantly, they are not invisible, they literally disappeared. as you can see in the video, my character took dmg and the mob did not get hit either
Steps to reproduce the issue :

1. just enter solo mode cm
2. and watch
3. and wonder why IMC decided to hate this character, and only this one

Screenshots / Video :
(attach screenshots or videos regarding the bug)

Tree Of Savior Game Play 20211009 13 31 57 765

Game Control Mode (Keyboard/Joypad/Mouse) :
Keyboard
System

• CPU :
• RAM :
• Graphics Card :
• Mainboard :
• Storage :
• OS :
• Internet Connection :
• Country, Region :

[GM_Francis]

Hello @Yuukikami,

Kindly submit a support ticket with the details of the matter for further investigation.