The Flood infection forms

The Flood are a parasitc species that have an urge to infect or kill anything they see they may also bring there kill back to life as much larger forms they have been known to take down even the toughest of enemies such as hunters on the bottom right is a picture of one of these erretating little guys.They dont just come by themself sometimes they are carried through carrier forms wich will explode if you get to close releasing a squad of infection forms towars you

bottom picture is an infection form and top is a carrier

The Flood combat forms

These are the infected human/covanant forms that are used to help kill the enemys for the infectors to later dig inside and heal severed limbs these zombies were able to weild the weapon they were killed with.tip if you want to have some fun with them shoot there limbs off they just follow you around. below are some pic left human form right Elite form