I couldn't finish 'em. Looks like this's gonna get complicated.
The Escort Head is an enemy in Crisis Core -Final Fantasy VII-.
Just like any other robotic or machine foes, Escort Head is vulnerable to magical attacks. However, do not attack it with Thunder-elemental attacks as it is immune to Thunder. Use Fire or Blizzard to inflict significant damage. Using Fire Blade or Blizzard Blade from behind will incur serious damage. Avoid all of its attacks as they can damage AP and MP, while also inflict statuses.