Skeleton Knight in Another World (Manga) Vol. 10 - Ennki Hakari

TRAINING DAYFollowing the advice of the Dragon Lord Villiers Fim, Arc travels to the Black Forest to test his mettle against some of the fiercest monsters imaginable, so that he might finally gain full possession of his Paladin powers. But an even more sinister foe lurks in the woods, a creature not of this world!