Graphical bug during Heavensfall trio [UCOB]

Date & Time: 04/14/21 -- around 5pm ST
Frequency: Saw it a lot of time, not sure if we get it everytime though
World name: Chaos
Character name: Raida Sameluck
Retainer name: /
NPC name: /
Monster name: Bahamut Prime
Class/Level: 70 synch
Party or solo: Party
In-game time: 5 ST
Area and coordinates: UCOB
Housing: /
Steps:
1. Going to Heavensfall trio
2. Do the divebomb
3. Towers appears and you can see randomly one tower flying
4. It's a graphical bug because we got the dmg so it's working correctly


One clip from our rdm : Link here

[no need about PC information, we all saw that case happens]