Gloomy Crystal

This item binds when picked up

It looks like a tangible piece of gloom. 20 fragments can be combined into the Gloomiest Crystal which can be sold for 250 rubles. It will also unlock the Gloom Incarnate achievement and the Incarnation of Gloom toy.
Can be obtained on Jigran by killing creatures with a crown symbol over their head.
Can be sold to merchants for 10 rubles.