Dikironium cloud creature (mirror)

In the mirror universe, the dikironium cloud creature (also referred to as the "vampire cloud") was a semi-sentient gaseous predator that sustained itself by feeding of the corpuscules of iron-based blood until its prey died. The creature was given this name because of the most-common element that the creature was able to transform into, namely dikironium.

In 2264, in revenge for being humiliating in front of the entire crew of the by Captain $𝜇$ on more than one occasion, Lieutenant $𝜇$ arranged for Garrovick and two hundred of his crew to be killed by the $𝜇$. He later claimed that he slept sounder the night after Garrovick's death than he had in years. (SS TOS (The Greater Good))