The domain doesn't needs follow the rules of JJk entirely you can decide your own rules for how it works.
http://powerlisting.wikia.com/wiki/Special:Random
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https://powerlisting.fandom.com/wiki/Cold_Attacks
My domain would generate 3 Dragon heads which shoot beams of cold energy which freezes and shatters anything they hit, following JJK rules these attacks are unavoidable but there is an escape route so it’s as big as Sukuna’s domain.