Since I was told I needed more information and to follow the template. (but i can't post in my older thread or edit it @.@)
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I was doing wanderer's palace, my group was fighting the second boss, the slime boss.
He decided to focus on me, but I waited a bit too long so when i tried running away from the boss he managed to hit me.

The weird part is once the boss hit me with his swirl attack, some how it must've triggered my mount. My mount is bounded to "ctrl -". not only was i able to get onto my mount in a dungeon, but it also happened in the middle of the fight, and it also happened instantly upon getting hit by the boss there was no cast bar for it either.

Anyways it was pretty funny that somehow my character mounted onto my chocobo midboss fight in a dungeon.
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Time: 3:00 pst 11/21/13
Frequency: once
World name: balmung
Character name: Miona Ayashi
NPC name: Giant Bavarois
Monster name:Giant Bavarois
Class/Level: monk, 50, miqote
Party or solo: party
In-game time: 3:00 pst
Area and coordinates: Boss room
Steps: get hit by his swirl attack when he focuses you

Connection Specs
- Type of internet connection/provider: Cox
- Modem maker/model number: Netgear wireless router model A6200

system specs:
OS Name Microsoft Windows 7 Home Premium
Version 6.1.7601 Service Pack 1 Build 7601
Other OS Description Not Available
OS Manufacturer Microsoft Corporation
System Name NAME-PC
System Manufacturer System manufacturer
System Model System Product Name
System Type x64-based PC
Processor Intel(R) Core(TM) i7 CPU 930 @ 2.80GHz, 2801 Mhz, 4 Core(s), 8 Logical Processor(s)
BIOS Version/Date American Megatrends Inc. 0108, 3/23/2010
SMBIOS Version 2.5
Windows Directory C:\Windows
System Directory C:\Windows\system32
Boot Device \Device\HarddiskVolume2
Locale United States
Hardware Abstraction Layer Version = "6.1.7601.17514"
User Name Name-PC\Name
Time Zone Pacific Standard Time
Installed Physical Memory (RAM) 4.00 GB
Total Physical Memory 3.99 GB
Available Physical Memory 925 MB
Total Virtual Memory 7.98 GB
Available Virtual Memory 3.87 GB
Page File Space 3.99 GB
Page File C:\pagefile.sys

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Sent an ingame report too.