These are only the “Well Known” Bosses, so that there is no spoilers for young Hunters.
The Cleric Beast is a huge creature with hideous horns whose shrieks sound like cries of agony. Although at first glance the Cleric Beast has a malnourished and almost skeletal body, this monster has high agility and supernatural strength. It is one of the first bosses encountered in the game, and the first boss to be revealed during the game’s development.
The Blood-starved Beast is a deformed, quadrupedal creature whose skin is peeled off and hanging from its back. Much like the Cleric Beast, it also has a malnourished, skeletal appearance. Although it may look like a weak creature at first sight, its erratic and nimble movements make it a formidable foe for hunters.
The Blood-starved Beast is generally the third or fourth boss of the game depending on how the player explores the Cathedral Ward.