Certain visual effects missing from mechanics in O12S.

Date & Time: 19.01.2023; 19:00 pm ST, 20:00 CET
Frequency: Always. It lasted the whole instance, persisted through wipes. Going out of the fight and coming back didn't help.
World name: Spriggan
Character name: AsrahSahja@Spriggan
Monster name: Omega (O12S P2)
Class/Level: DRK, 90.
Party or solo: Party, all party members experienced the same bug.
Area and coordinates: Alphascape V4.0 (Savage), X: 6.1; Y:6.4.
Steps:
1. Form a cross-world party of 8.
2. Queue into Alphascape V4.0 (Savage) with Unrestricted Party and Silence Echo ON
3. Defeat Omega-M and Omega-F.

Here's a clip of the missing visual effects:
https://youtube.com/clip/UgkxCt_JxnO...R2BG0hlKuteR_k

It happens during the mechanic called Patch.
Diffuse Wave Cannon has missing lighting effects, the tankbuster that follows has missing transparent computer screens vfx.

Yeah can confirm, was the same for me just now. Funny that you reported it a few minutes earlier.

https://i.imgur.com/PSGzfKV.png