The Fighter certainly wouldn't have "Huh, I wonder how my picking up this rock and throwing it at the skeleton would change the mood of this adventure," on his mind in the middle of a fight.
Oh, I don't know- sounds like RP of an introspective, aesthetically minded warrior...a "Death Artist," perhaps.
"I killed your father with my axe, I killed your brother with a stone. Thanatiope, the Muse of Death, has inspired me to complete your family's triptych of woe by slaying you with...a SHRUBBERY!"