Alexander: Midas (Savage) Floor 3 Bug

Time: Approx. 1:25AM EDT, March 23 2016
Frequency: 3 out of 4 times seen
World Name: Balmung
Character Name: Yuki Aoyama
Retainer name: N/A
NPC name: N/A
Monster name: Sturm Doll
Class/Level: Dragoon/Level 60
Party or solo: Party of 8
In-game time: N/A
Area and coordinates: The Electrocution Galley, The Arm of the Son (Savage)
Housing: N/A
Steps:
1) Proceed to enter The Arm of the Son (Savage)
2) Start the encounter with the boss "Quickthinx Allthoughts"
3) Reach last phase of the encounter, with the Purple and Green jail as the first set of jail mechanics to happen
4) Panzer Doll add spawns as normal
5) Sturm Doll add spawns as normal, but after a few seconds, it immediately self-destructs instead of using it's ability "Kugelblitz"

Comments: The expected behavior of the Sturm Doll (cross-referencing several videos and PoV of other A7S clears) is to cast "Kugelblitz" which is an ability that inflicts room-wide damage and paralysis after a cast time in which it can be stunned to be prevented. However upon reaching the point where it would cast Kugelblitz, the Sturm Doll self-destructs immediately instead

Video proof: https://youtu.be/GdPhsVbP9iE?t=11m53s

Well it might not be a bug.

You'll notice that it self destructs right after getting clipped by the explosion the gobwalker makes.

So perhaps it triggers self destruct if that happens

It's definitely a bug as Miunih's POV on their clear has their Sturm Doll clipped by the Gobwalker's self-destruct yet it did not yield this behavior.