[Retail Bug Report] ExtraAB Disappearing mid fight - Antorus, The Burning Throne; Eonar the Life-Binder

[Bllackout2JZ]

Describe the bug
The additional action button disappears or never becomes visible

To Reproduce
Steps to reproduce the behavior:

1. Go to Antorus, The Burning Throne; Eonar the Life-Binder.
2. Click on We will defend you, Lifebinder.
3. During encounter, use additional action button and fly to top of stairs where the entrance is.
4. Additional action button then disappears.

Screenshots
N/A

Game details:

• Disabled Modules:

Additional context
Add any other context about the problem here.

[Wutname1]

The action button has gone through a lot of revisions in the last few versions. Please make sure that you are running 6.6.11

[Bllackout2JZ]

I just updated to that this morning before launching the game and thats when I started noticing this issue.