If my monsters and aliens took over the world how long do you think it would take them to end the world?

creature: able to take over the bodies of living things like a virus and turn invisible. and since its blood cells multiply at a fast rate when shot or stab its blood can form another. project DNA: a hybrid of the five deadliest bugs on earth: mosquito, wasp, human bot fly, banana spider, and army ant. it... show more creature:
able to take over the bodies of living things like a virus and turn invisible. and since its blood cells multiply at a fast rate when shot or stab its blood can form another.

project DNA:
a hybrid of the five deadliest bugs on earth: mosquito, wasp, human bot fly, banana spider, and army ant. it has: the strength of a army ant (but multiplied), able to drink blood like a mosquito, able to impregnate people with larva's like a human bot fly, and has the poison of a wasp and banana spider.

hybrid:
made from the four greatest fears: darkness, spiders, snakes, and nettles (doctor nettles). able to put people in a state of paralyzing panic.

hollower:
a jack O' lantern that comes to life by a cursed candle and drains the life of human beings.

man-eater:
a 2 feet tall spider that hunts and devourers anything that breathes.

the slime:
a black and purple slime that melts anything it touches.

the out cast:
a demonic creature rejected by hell and our world that takes its revenge on humans.

the nothing:
a force that was made by the mind of a mistreated teen. now it kills whoever comes across her or itself.

parasites:
small reptilian parasites that live off human bodies while controlling it from the inside.

the unseen:
a creature that can not be: seen, felt, or heard.

sand man:
monster that is able to enter and exit dreams and reality and cause panic.

aliens:

the it:
able to spit acid and use its tentacles to rip its prey a part. and since it doesn't have any bones it can squeeze into any space (even a human body).

S.L.G (solid, liquid, gas):
a alien able to change its state at any time.

intruder:
a alien that feeds of space crafts and uses fluids from the human body for making nests.

alien queen (also known as Cleopatra):
has scarab beetles as pets and has power over sand and fire.

the sludge:
a black slime that takes over the body of a snake and sucks the blood and guts out of people through the mouth.

imitation:
a purple and pink slime that can take on any form. but can be undone by extreme heat or cold.

organism:
a alien that uses humans as nests and feeds off guts and bones.

so? how long do you think it would take them to end the world?
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