|This article is about a/an monster in Denji Sentai Megaranger.|
The Ultimate Lifeform (究極生命体, Kyūkyoku Seimeitai) is an artificial lifeform developed by human scientists but seized and utilized by the Wicked Electric Kingdom Nezirejia to work for their purposes.
Based on the data of an artificial creature, Shibolena created it from a microchip that she stole from Mayuko Saotome, fiance of late Professor Tanaka, the creator's original creator, to absorb and manipulate electricity on Earth. It's only weakness is it's antennae because without it, Ultimate Lifeform cannot absorb electricity which it needs to function. Defeated by the Megaranger's new Multi Attack Rifle and MegaRed's Mega Sniper, and then killed by Galaxy Mega's Flash Arrow.
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- Ultimate Lifeform were designed by character designer Miharu Shimojo.