Akh Afah Amphitheatre (Extreme) Avoiding Deep Freeze Status During Diamond Dust

Date & Time: December 10, 2017, I think between 7 and 8 PM (EDIT: Central Standard Time UTC−5:00)
Frequency: Twice
World name: Exodus
Character name: Konrad Redsteele
Retainer name: None
NPC name: None
Monster name: Shiva
Class/Level: Dragoon, level 70
Party or solo: Party, 4 members
In-game time: Unsure, probably night.
Area and coordinates: Instance area for Akh Afah Amphitheatre (Extreme)
Housing: None
Steps:
1. I was in a party of 4 was running Akh Afah Amphitheatre (Extreme) unsynced for
loot.
2. Shiva entered the phase of the fight where she begins Diamond Dust and inflicts the
party with Deep Freeze.
3. I was jumping during this part of the instance and avoided being held stationary by
the Deep Freeze status ailment all together. I am uncertain as to whether or not I
was taking the damage over time from the debuff in question.
4. During the next run of the instance, another member of the same party also
managed to avoid it the same way.
5. I thought that this may not have been a bug at first, but all subsequent attempts to
avoid the status effect failed, and after some research I've come to believe that it's
not a mechanic of the fight

Connection Specs:
- Type of internet connection/provider: xfinity
- Modem maker/model number: Dual-Band WiFi 802.11ac


-=-=-=-=-=-=- System Information -=-=-=-=-=-=-

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SYSTEM_BIOS BIOS Date: 01/27/15 17:48:40 Ver: 04.01
SYSTEM_LANGUAGE English (Regional Setting: English)
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SYSTEM_GRAPHICS_DRIVER_DATE 11/2/2015 11:10:55 AM
SYSTEM_GRAPHICS_DRIVER_LANGUAGE English
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SYSTEM_SOUND_DEVICE_NAME HdAudio.sys
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SYSTEM_SOUND_DRIVER_LANGUAGE English
SYSTEM_SOUND_DRIVER_DATE 11/20/2010 9:23:47 PM
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SYSTEM_SOUND_DRIVER_DATE 11/20/2010 9:23:47 PM
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SYSTEM_SOUND_DRIVER_VERSION 1.03.0034.0004
SYSTEM_SOUND_DRIVER_LANGUAGE English
SYSTEM_SOUND_DRIVER_DATE 11/2/2015 4:48:25 PM
SYSTEM_SOUND Digital Audio (S/PDIF) (High Definition Audio Device)
SYSTEM_SOUND_DEVICE_ID {E438C45A-064C-48E5-8B5B-44B8BCDE6D2F}
SYSTEM_SOUND_DEVICE_NAME HdAudio.sys
SYSTEM_SOUND_DRIVER_VERSION 6.01.7601.17514
SYSTEM_SOUND_DRIVER_LANGUAGE English
SYSTEM_SOUND_DRIVER_DATE 11/20/2010 9:23:47 PM
SYSTEM_INPUT {6F1D2B60-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME Mouse
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 3 SYSTEM_GAMEPAD_BUTTON 5 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {6F1D2B61-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME Keyboard
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 128 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {7B9A75D0-23F8-11E5-8001444553540000}
SYSTEM_INPUT_NAME Microsoft Hardware USB Mouse
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 1 SYSTEM_GAMEPAD_BUTTON 1024 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {7B9A9CE0-23F8-11E5-8002444553540000}
SYSTEM_INPUT_NAME Micr
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 0 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {7B9A9CE0-23F8-11E5-8003444553540000}
SYSTEM_INPUT_NAME Micr
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 1280 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {7B9AC3F0-23F8-11E5-8004444553540000}
SYSTEM_INPUT_NAME Micr
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 0 SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT {7B9AC3F0-23F8-11E5-8005444553540000}
SYSTEM_INPUT_NAME Micr
SYSTEM_INPUT_REMARKS SYSTEM_GAMEPAD_AXIS 0 SYSTEM_GAMEPAD_BUTTON 256 SYSTEM_GAMEPAD_FOV 0

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

I received the Boreas Whistle after the fight and used it, but if this is an exploitative bug, then I'd feel bad about receiving the mount and will not mind if it is removed.

Thank you for your time.