alert but.....

my lil scorpian is active and mobile even tho there seems to be something wrong with its back right leg
i have also noticed that he is looking thinner then he was and hasnt eaten his food in about a month and a half

i left him to it as i thought he maybe due a molt but still nothing :-(

i have changed food from locus,crickets and sizes but still he is just happy ripping them apart nad not eating :-(

species? if its desert then it might have mitosis which could spread if incorrect conditions are maintained.
it does have 7 other legs, so it shouldnt cause it too many problems.

its an emp