Aliens and monsters bleed in sickly or unpleasant shades of orange, green, or yellow (blue and violet also happen, but more rarely).

Xenomorph blood is made of a "concentrated molecular acid" (sic) that can eat through a starship's hull but not through the body of the xenomorph itself, due to ...

Acid attacks deal direct, one-off physical damage like other elemental attacks do. When not tied to poison, acid may instead be linked with water.

... blood. The Xenomorphs of the Alien series are an especially dangerous version. Any damage to their carapace yielded high-pressure spurts of highly acidic blood.

Corrosive Blood: The chemical nature of the blood is such that it eats through metal and flesh — presumably the owner has sufficiently resistant veins and ...

The Xenomorphs have yellowy-green, highly acidic blood that can burn through steel. In the later movies, the blood is green instead, possibly as a result of ...

Using oil, coolant, battery acid, hydraulic fluid or some type of unusually colored liquid as a stand-in for blood makes things look a lot more serious and ...

26 авг. 2009 г. · The It Can Think trope as used in popular culture. Our heroes are battling the fearsome Monster of the Week. Maybe it's got acid for blood, ...

A member of the Morlocks has similar blood, and another mutant's blood melts through solid objects (although that may have been acid blood instead). In the ...

A hunter's arm is seared off by a splash of facehugger blood, and another unfortunate human has his skull melted by a blast of Xenomorph blood to the face.