Aieeeeee! The Teeth!

Swarm of Teeth: Init +5; Atk swarming bite +0 melee (1d5); AC 14; HD 4d8; MV fly 30’; Act special; SP swarm (attacks all in a 20' x 20' area with 1d20, half damage from non-area attacks); SV Fort +0, Ref +5, Will +0; AL C.