> 絶対 助けてやるからな

What is the meaning of やるから? And is やっから a short version of it?
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2022-09-28T10:57:21.460
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2022-10-04T03:18:24.240
2022-10-04T03:18:24.240
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question
grammar meaning colloquial-language
（絶対助けてやるからな） meaning of てやるから