the daemon that Damian carries is always with him. A long bronze like serpent. No organs, blood, or muscle. It's solely made of every metal compressed in a thin layer over the strange mysterious serpent. It's constriction is deadly as it's blood is liquid metal.

Weapon form:
(A) Yes this can form into a weapon, which is a long lashing whip. Yes the snake can harden into a sword like whip. It's extension is within great lengths.
(B) The metal monster can also liquefy into the might Marduyk's Clever. Able to level mountains and crack the earth down for miles.

Spoiler:

Kaykay, Pandora approves. 8D