Spindly, grey little insectoids, they stand on half a dozen thin legs, chest high to a human. Their wings, antennae and segmented eyes twitch and flick, a soft buzzing noise rising to a deafening drone when several take flight. Gnatters rub their large eyes with their thin hands and appear quite fragile when sitting still - but their reaction speed is second-to-none, escaping (or attacking) in a buzzing blur, repositioning or circling for another strike before their foes know what happened. Always an annoyance, gnatters become deadly when several work in unison, such as when their herds of Swampstriders are disturbed. Even if you survive their hit-and-run blood-draining, the cocktail of diseases they'll leave you with afterwards will see you face down in the mud before sun up. Instinct: Gorge on warm blood

• Strike and retreat on a blur of wings
• Dodge with incredible speed
• Inflict fast-acting diseases
• Call up swarms of mosquitoes