Hollow Knight has a total of about 47 bosses counting every variation, including DLC bosses and dream bosses. The base game has around 33 to 36 unique bosses excluding rematches and variants. Some bosses have alternate versions such as dream bosses and Godhome variants which add to the total boss count.

Boss Count Details

• The core game features roughly 33 to 36 bosses required or available to fight.
• Including all variants, dream bosses, Colosseum fights, and DLC bosses, the total count is approximately 47 bosses.
• Some bosses have multiple forms or rematches which contribute to the total boss tally.
• There are "dream" bosses that take place in the Dream Realm where the player does not permanently die.
• DLC expansions added several boss fights beyond the base game.

Thus, the number of bosses in Hollow Knight varies depending on what is counted, but the full comprehensive count including all variations is about 47.