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Crawling through the [[Lost Ruins]] of the [[Borderlands]], Tomb Vipers and their relatives, the [[Serpent Magus]], wait for foolish adventurers to enter their dark domain. These beings can temporarily become invisible lizard-men are similar in appearance and behavior to surprise their enemies. This invisibility is temporary because Tomb vipers will become visible while attacking. Tomb the various Claw Vipers and the Serpent Magus first appeared in Act II of Diablo 2 in the Claw Viper templeII.  

 ==Viper Abilities== The vipers in Diablo 3 are purely melee attackers. None of them have been seen using the short-range charging attacks they exhibited in Diablo 1 and Diablo 2, but they may still possess these.  They do have one confirmed new ability; a sort of cloaking device that lets them become invisible as long as they remain motionless. This was only "seen" during the Blizzcon demo when they were first found; a level would appear to be open and clear, and as a character ran through it the Vipers would appear once they began to move, when the character was in very close proximity. Vipers are tangible while invisible; at times they would remain hidden until a player ran into them. Literally; characters would hit invisible obstacles and find their progress blocked while moving through one of the desert tombs, and after a second the cause of the delay would become evident when several Vipers appeared, in very close proximity to the character.  ==Viper Varieties== [[Image:Tomb-viper2.jpg|frame|Both known types of vipers.]]No official game info has yet been released about the Vipers. It's known that there are at least two subtypes, simply because they look so different in the screenshots.  The two types are:* Serpent Magus* Tomb Viper Nothing is known about how these types differ, other than by appearance.  ==Blizzcon 2009 Reveal== The various types of Vipers in Diablo 3 were first seen at [[BlizzCon 2009]] and in assorted media. They were found in all of the desert tombs below Act II in that build, and can be seen in numerous screenshots and gameplay movies from the show.  * [http://diablo.incgamers.com/gallery/search.php?searchid=9 Viper screenshots in] the Image Gallery.