I couldn't finish 'em. Looks like this's gonna get complicated.
Crescent Unit Primus is an enemy from Crisis Core -Final Fantasy VII-.
Crescent Unit Primus access to the Anesthetic Missile attack and Curaga spell that are shared amongst the Crescent Unit enemies, in addition to its own skill AP Spiller which inflicts major damage to Zack's AP. Despite his high HP, the player can simply hammer away at the enemy with regular attacks to defeat it if it is alone.
Primus is Latin for "first."