https://en.wikipedia.org/wiki/Physarum_polycephalum
A genetically modified version of this life form could potentially be very dangerous.
https://groundzeromedia.org/10-26-22-the-blob-the-real-fungus-among-us-w-dr-jason-west
https://en.wikipedia.org/wiki/Physarum_polycephalum#Situational_behavior
https://www.popularmechanics.com/about/a29502834/ancient-life-form-blob