Time: 11-26-14 at 10:42PM EST
Frequency: Once only so far
World name: Adamantoise
Character name: Kytre Ashaer
Monster name: Electric Node
Class/Level: Warrior 50
Party or solo: Full Party (8)
Area and coordinates: IC-06 Regenerative Core
Steps:
Fighting in FCoB2, we got to the add phase (where Kaliya hides behind a death wall and 3 ADS nodes spawn) and the Electric Node got stuck just moving. It never cast Forked Lightning and never stopped until we wiped. Here is a video of the event:

https://www.youtube.com/watch?v=b8cIz_0r9Q0