As the title says, every time i try to create a Heading 2 -styled heading it gets numberes as 1.x rather than, say, 2.x in chapter 2
Without any further information, it is impossible to answer. Reopen your question (don’t use a comment; at this stage discussion has not started; it is better to improve the question so that contributors don’t scroll through a series of comments):
- click on … under your “explanation”
- then on the “pencil” icon
Mention OS name, LO version and save format.
I suspect you added list numbering to the Heading n paragraphs with the toolbar button. The button is a foe: depending on how you proceeded (mainly the sequence of events), you may have created independent numbering series.
Another possibility is you messed up Tools>Chapter Numbering.
For best diagnostic, attach your document.
If you save it .docx, you hit a compatibility issue: (list) numbering is based on radically different principles in Word and Writer. It is very easy with direct formatting to confuse Writer during the conversion.