Although shaped like a dog, this muscular creature has a coat that drinks up the light, drawing shadows in around it.Its maw is full of sharp teeth, and a wisp of shadow drips from its writhing tongue.
Speed 50 ft.
Str 19, Dex 15, Con 17, Int 4, Wis 12, Cha 13
When a shadow mastiff howls or barks, all creatures within a 300-foot spread except evil outsiders must succeed at a DC 16 Will save or become panicked for 1d4 rounds. This is a sonic, mind-affecting fear effect. A creature that successfully saves cannot be affected by the same mastiff's bay for 24 hours. This is a mind-affecting fear effect. The save DC is Charisma-based.
In any condition of illumination other than full daylight, a shadow mastiff disappears into the shadows, giving it concealment (50% miss chance). Artificial illumination, even a light or continual flame spell, does not negate this ability; a daylight spell, however, does. A shadow mastiff can suspend or resume this ability as a free action.