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It would be like taking a gallon of water and throwing a container of glitter in it.

Thats basically what your blood is.
Its water with all of these red blood cells and a few white blood cells swirling around.
He would cool blood from normal body temperature down to below zero Moran notes.

I guess Sub-Zero is a very fitting name.
Youre putting it under a lot of force so you can pierce the skin.
Its going to shatter, Moran says.
Its not a super-strong material in terms of piercing skin, which is going to be pretty robust.
Our skin is meant to withstand quite a lot of pressure.
Sub-Zeros mastery of all things cold wouldnt improve the structural stability of his bloody ice blade, either.
They just couldnt get sharp enough.
Moran says frozen blood would fail on a similar level.
You could do that instead.
Its a graphic, effective fatality, but according to science, he should just lead with that one.
Its a lot more effective than making a dagger with frozen blood.