User blog comment:GSFB/Xenomorph Queen vs Geryon/@comment-5795750-20140413142631/@comment-5232784-20140413153056

Thanks for your vote: 4 Geryon, 3 Xenomorph, 1 tie

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BTW: Xenomorph blood is called "Molecular acid". It is the strongest acid known, capable of eating through just about anything (save for maybe acid resistant materials, such as Teflon). The facehugger's blood in the first alien film nearly ate through the middle of the Nostromo vessel, almost causing a hull breach. However, Geryon, being so physically resistant to injury (with such awesome strength, his flesh needs to be tough enough to withstand such awesome extertions) should be able to resist it. After all, he is stronger than Hercules, who made the straight of Gibraltar with one sword strike: that's way behind a lot of comic book characters with superhuman strength (i.e. those in the 100 ton range: and those guys are so tough that helicopter blades crumple when they hit them: not suffering any cut). Given this, I think the acid blood will not be as much of a threat as it is with metal and other things.

Bronze, however, should prove no problem for Xenomorph blood.