Human: Write a detailed character description for a fantasy rpg of a Mist Wight a type of undead Assistant: 
The mist wight is a fearsome undead creature, formed from the body of a creature that died in or near mist. It has a gaunt, skeletal body, with long, sharp claws and teeth. Its eyes glow a eerie green, and it is surrounded by a constantly shifting mist. The mist wight is fast and agile, and is difficult to hit in combat. It is also able to drain the life force from living creatures, which it needs to sustain itself.