Leech Notes is a file that can be found in Resident Evil: The Umbrella Chronicles.
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This bloodsucking leech is approximately 20 centimeters in length. Bred by Dr. Marcus, this creature has evolved in ways previously unthinkable in an annelid. When multiple leeches are present, they have been observed to form a collective consciousness.
They consume flesh by attaching their enlarged mouths to prey and possess the ability to entirely consume a human in a matter of minutes.