Lethal Oozers are a rare variety of Oozers appearing in ScareScraper mode in Luigi's Mansion 3, added in version 1.3.0. They are red and black, glowing Oozers that instantly KO the player in one hit. They have 250 HP, more than double that of a regular Oozer. They are defeated the same way as normal Oozers.
Lethal Goobs, a rare variety of Goobs, Lethal Hammers, a rare variety of Hammers, and Lethal Slinkers, a rare variety of Slinkers were also added in version 1.3.0.
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