through the miasmic stench of spilled blood , he began to recognise certain shapes ; an arm twisted at an impossible angle here , a mouth stretched open wider than it should be there , flayed skin hanging from the walls , a torso slit from neck to groin spilling organs , ruined human beings staggering through the carnage clawing at eyeless sockets or trying to hold in their intestines and a viscous slurry of blood , shit , bones and offal flowing through it all .