I believe that you're referring to the new animations for new hull overdrives which will be implemented in the near future. Currently, this is only an animation which occurs at random when you activate overdrive in battles, it doesn't have any special abilities. This is bound to change in the future. More info about the new overdrives can be found in this episode of the V-LOG: Episode 139
Keep an eye on the news on the forum or on the V-LOG to get notified about upcoming changes changes and updates.
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