Beast of Sorrow is a story event introduced in the Kingdom Death: Monster core game.
******** Entries below contain gameplay and lore spoilers! ********
|Beast of Sorrow|
|Source||Legendary Monsters Story Event|
|Originally Released||Kingdom Death: Monster - Core Game (2015)|
Possible gameplay spoilers below. If you want a purist experience then skip this info as it is not required and you will experience it through playing the game.