The unicorn depends on which stage it is, and prices vary from stage to stage. The cheapest larvae are about 5 bucks a piece. Larvae are usually around 5 bucks a piece, if it's a late L3 it might go for 10 bucks, and a large 30g+ individual 15-20 or so to top it off.
Adults are usually about five or six centimeters of standard-sized perfect individuals can be sold up to 20 + up and down a, if it is a very small individuals or mutilated individuals will be particularly cheap, 5-10 dollars, but the quality is very poor.
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Breeding Techniques
Compared to other insects, the Unicorn is a good-looking, fun and easy-to-breed insect. Adult Unicorns are so powerful that they can pull objects that are tens of times heavier than their bodies. The unicorn fairy's great enjoyment.
The raising of a Unicorn is very simple, as long as you prepare a pet box of the right size, put a pair of Unicorns into the humus soil with decaying leaves and organic matter, add a rotten wood for the Unicorns to perch on to mate, and feed them fruits or jellies, then a baby Unicorn will be born in no time at all.
Generally speaking, the life history process of Coleoptera insects belongs to "complete metamorphosis", which means that they must go through four stages: egg, larval, pupal and adult, and each year is a generation. Unicorn larvae live on organic matter in the soil, and as the age increases, the larvae eat more and more, and the final instar larvae are almost as thick as an adult's thumb, and some are bigger than a thumb.
Baidu Encyclopedia - Unicorn Fairy