Jeric Weiss

Father Jeric Weiss (ジエリックワイス Jierikku Waisu) is a follower of the Deva cult and is one of it's Seven Virtues. The virtue which he represents is Virtue of Humility (謙虚の美徳 Kenkyo no Bitoku). He claims to be an Anti-Mage.

Magic and Abilities
 (白魔法 Shiro Mahō): Jeric employs White Magic, which he views as the purest form of magic and the ultimate "anti-magic". He possesses the ability to use positive energies to negate the effects and abilities of such as  or Seith Magic. He is capable of causing intense pain to the users of these magics by infusing his own positive magical energy within the target - causing them to expel a black miasma from their mouths whilst writhing in pain as demonstrated with Petunia. It appears he makes use of hand gestures when casting White Magic. White Magic can also be used to inhale the miasma and absorb the magical ability that has been expelled: allowing him to make use of the magic. He loses the ability to use the magic upon defeat.

Lacus Curtius (ラクスクルティウス Rakusu Kurutiusu): A form of and  which allows the user to conjure an ornate doorway on the ground before him with no doors but a great, dark pit of skulls. The enemy is then drawn into the pit and dragged to the bottom. The "darker" or more sinister the opponent's magic, the quicker they are dragged by the skulls. Upon reaching the bottom - the target is transported to an unidentified alternate dimension.

Trivia

 * His Surname comes from the German word Weiß, meaning White.