Gundam Reconguista in G - Season 1 Episode 24 Space Kaleidoscope

While the Dorrette and Amarian fleet are about to form an uneasy alliance against the Capital Army, captain Mask makes a destructive move. Barbara Peor, fueled by het jealousy of Manny, uses an advanced cloaked Pyramid shaped space ship with a destructive energy weapon called Yggdrasil. Without any effort she takes out all space ships in her vicinity, either Dorette or Amarian. G-Self manages to temporarily stop her relentless attacks. But not before miss Aida's fathers space ship get destroyed.