Caucasus

Caucasus, namely "Armed Vessel" in his first battle, is an infected Vessel who gains expressions and even a gender through the ancient disease. Thousand Caucasus is his dream form.

Pre-series
Caucasus was unofficially the sixth member of the Five Great Knights. He died while assisting the Hollow Knight to seal the Radiance and his soul was transferred into a half-grown Vessel, which depleted half of his original size. He then used Infection to keep himself alive while making sure that the Radiance can't control him.

Main story
TBA

Attacks
Caucasus' attacks is mainly composed of those from Hornet, Lost Kin, the Hollow Knight, Grey Prince Zote, and even Grimm.

TBA

Trivia

 * Caucasus' theme is a Nightcore and sped-up version of Hornet's theme.
 * So far, Caucasus is the only boss who speaks after being defeated and before exploding