if noob knows that he was the older sub zero he could possibly find inside himself some old powers of his then he could use his ice powers because he IS THE OLD SUB ZERO

Who said he didn't know? Noob useing ice power would be lame. He got shadow and thats all he needs. He must not have such power because that would bve stupid. His mind is in a new body now and his Kori powers were tied to his old one.

"if noob knows that he was the older sub zero he could possibly find inside himself some old powers of his then he could use his ice powers because he IS THE OLD SUB ZERO"

Wrong! he WAS the older Sub-Zero.