In the morning at the owl house.king woke feeling weak,he try to gets up and walk but he couldn't do it.so he just crawl down stairs.he shake his head then stand up.(yeah I don't know how to start this)

King:(rub his head)that was weird.

Later in the afternoon at Scrooge mansion.king started to feel weird,like he started to change.his vision is started to look distorted,his eyes are twirting,and he heavily breathing.

King:(man,what is happening to me.it feel like..like...like...)

King see visions of familiar demons,a dark grassland,a floating black pymid,and a big yellow eyes.

King:ahhhh!(fell backwards)

Mikey look down on king.

Mikey:you OK little buddy?

King:(shaking his head)yeah I'm alright.(he gets up)

Mikey:(croutch down)you were screaming about something,what wrong?

King:nothing,it just ever since that green mosquito bite me,weird things are happening.

Mikey:did you.....say....a green mosquito?

King:yeah?

Mikey:stay here,I'll get Donnie.(he ran off)

King then just walk away.Huey walk pass him and notice that something wrong with king.his eyes change color for a second when he bink.he wanted to know what wrong with him so he follow him.

Meanwhile with Mikey.

Mikey:hey Donnie I- what are you inventing?

Launchpad:he trying to give the plane some rocketboosters.....I don't know why.

Donnie:it to make the plane go faster launchpad.what'd you need Mikey?

Mikey:um...it about king and he..was...injected by a oozesquito.

Donnie:wait what?!and you didn't get him here?!

Mikey:oh yeah.

Donnie:we need to get him,we don't know what will happen to him!

Later that night.

Huey is researching about demons on his junior woodchuck guidebook.(yeah I know that doesn't make sense but Huey would always use his book for everything.)then luz walk to him.

Luz:huey,do you know where king is?

Huey:he sleeping and I'm trying to see what wrong with him.

Luz:oh no is he sick?

Huey:I think he turning into something.and I'm searching on demons to see why.

Meanwhile with king.

King is sleeping and he move his body is twisting and shaking,then he panic as he feeling worse and he open his eye to show a blight yellow eye.luz and Huey heard crashes from across the room.they went to see what it came from,they see the door breaking down and claw marks on the floor and walls.they follow the claw marks to lead to the kitchen and a beast in the fridge eating food.they slowly walk to it and is reveal to be king.
(He look like this but with two horns,red blood monster's eyes and speard teeth)

Luz:(scared)king?

King growls and charge at them,they avoid him and ran to the dining room.king chase after them,he flip over the table and ran to them,then luz throw two plants gylsh that grow out vines and grab king's arms to hold him down.luz and Huey abold to leave the room and ran up stairs.king break out of the vines and crash towards the wall to go after luz and Huey.luz and Huey ran pass Mrs.beakly and king run toward her then she grab arm and slam him to the wall.king try to attack her but she dodge and kick his stomach and punch his face.king slash her arm and smack her face,then he grab and hold her then throw her across the hall where she hit the wall knocking her out.raph went to see what going on.

Raph:hey what going on!?(turn his head to see king)king?

King ran towards raph and they crash to outside in the backyard.raph got up and king punch raph then raph punch back they repeatedly punch each other.king grab raph and throw him to the plane garage.

Mikey:raph are you alright?!

King jump to them and roar.Raph prepare to fight then king jump on him and try to bite him but raph uppercut him and punch him 3 times.king slash his chest then get shot in the back by donnie,he turn around smack raph away and started to run towards Donnie but luz block him.

Luz:king!stop!

King stop and snarls.

Luz:I don't know what happened to you but please stop!(started to cry)

King slowly feeling sad then launchpad ran to help them but trip on a rocket which it started blast off,Mikey pull luz towards him.the rocket catch king and went to the sky.

Luz:(crying)nnnooooo!!!!!!!!

Luz hug Mikey and everyone else look at the sky.the rocket kept flying into space and crash in a golden ship.lunaris jumped and wonder what happen,then he hears some inside the ship.then king pop out of the machine and roar then kill lunaris in a brutal and gore way.

The end.