Little is known of the origin of these things. It is said they once fought the gods themself, but lost and most of them got imprisoned. A few managed to elude this fate and ever since they try to find and free their imprisoned bretheren. Entered a host through a wound and taking control of them or lying dormant in him, being nourished by the body and gathering strength. They are always on the lookout for a new host, who has more power then their current one. Once they have enough power and ressources they will use those to start the search for their bretheren and fight against anyone that wants to stop them. Its abilty to control blood makes it a fearsome enemy, as long as there is enough blood around it can use it to form weapons or whatever it wants and make it hard as steel. Or just sap the blood out of the enemy it slashed open a wound. Instinct: Free its brethren

• Crawl into someone and take control of them
• Feign death
• Form and harden blood