Just like Peep, his eyes are detached. However, the eyes are detached since the beginning of the battle. The boss also looks rather pale, possibly due to the blood coming out of the body.
The boss still acts like It's living counterpart, except for a new attack: A beam of blood coming from both eye sockets.
Duke of Flies | Gemini | Monstro | Larry Jr. | Famine | Steven | Widow | Pin | Blighted Ovum | Gurdy Jr. | Fistula | Gurdy | Peep | Chub | Pestilence) | C.H.A.D. | The Carrion Queen | The Husk | The Hollow | The Wretched | Monstro II | Loki | Gish | Mom | Mask of Infamy | Daddy Long Legs | Triachnid | The Bloat | War | Scolex | Blastocyst | Conquest | Teratoma | Lokii | Satan | The Fallen | Headless Horseman | Krampus |