"A Revivifying Roar" - Whei Ahf's flight animation freezes

In the quest "A Revivifying Roar", if I use Roar while flying, Whei Ahf's flight animation locks up. He seems fine if I use Roar while grounded though. Demonstrated in the video below:

https://youtu.be/j5w4BhvF9Ug

I couldn't find anyone else who has done the quest yet to confirm if it's just my computer, or if it happens on any system.


Time: June 16th
Frequency: always
World name: Hyperion
Character name: Rihael Eden
Retainer name: none
NPC name: "Cryptic Carving" while riding Whei Ahf
Monster name: none
Class/Level: 60 culinarian
Party or solo: happened in both cases
In-game time: any
Area and coordinates: Churning Mists, The Rookery (i.e. circa 20,17)
Housing: none
Steps:
1. Accept the quest "A Revivifying Roar" and mount Whei Ahf.
2. While in the air, use Roar on a Cryptic Carving.


PC Specs
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Laptop Model Name: Acer Aspire V 15
Laptop Model Number: V3-572G-587W