Oozers are long, skinny, yellow ghosts in Luigi's Mansion 3. They look and behave very similarly to Hiders from Luigi's Mansion: Dark Moon, as they like to hide in or near furniture and throw items such as fruit at Luigi. Oozers have 100 HP.
Oozers are more aggressive than Hiders, as they attack much faster and more frequently. They also sometimes throw objects in sets of three instead of just once.
They regain sanity at the ending and return friendly.
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