D.Gray-man - Season 2 Episode 2 Fallen One
Overview: After the preparations are completed, the ship begins to set sail. In the distant horizon, Allen's left eye picks up legions of Akuma, both level 1 and 2, approaching the ship from the horizon. Realizing a massive attack, the exorcists prepare for battle. However, they soon discover that they are not the intended target...! One of the Level 2 Akuma separates Allen from the ship and leads him straight towards the akuma's intended target!