Hatred for the unknown (Thranduil ff)

Many years ago, amongst the elfs, dwarfs, hobbits, humans and many more, lived the savages. The savages, originaly called cadi, the people of cadi was seen as witches, they were dangerous. After years of being hunted by the humans, killed for their wings (some of them have them ) the elfs decided they had roamed middle earth for to long. An extinction begun, every cadi that was spotted was to be killed. Soon the many and merry people, who had managed to avoid being killed by the humans, were less and less for each passing day. More than a half of the cadis were gone, their heads stuck on poles as a warning for those who remained. Those were the cadis that were hiding in the mountain next to mirkwood. A clan called Mangeloi, led by King Sebastian Angel, a winged Cadi. And they stayed hidden for 700 hundred years, until one day....