Synecdoche although i was very angry, i did not cause him any harm at all.

Synecdoche is a figure of speech which writers often use in order to show how a part of something can be represented as a whole, and vice versa.
So, here, in the sentence Although I was very angry, I did not cause him any harm at all, in order to create a synecdoche, here is what you need to do:
Although I was very angry, I did not touch a hair on his head.
You can see that the phrase touch a hair on his head is used to denote not do any harm. Just one small part (a hair) is used to represent a whole (harming someone).

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Explanation: wowie look like we got a 16 yr old here happy birthday

no none for u (obv im gonna do them ur just sus for asking about my age so send them my inbox not working thoe)