What a fun concept, in most games you avoid dying at all costs. Here its an important mechanic.
Viewing post in A Knight and his Ghost - 'Change' Gamejam jam comments
Exactly, this came about from a barinstorming session, in which the change of ‘State of life’ was identified as a core concept. A ghost would obviously be the dead representation of the player, and would be able to go through objects and float. So yea. That is how death got included as something other than a gameover screen. :)