Crossword Genius

Sacred text brought back inside as things becoming extremely heated (7)

Ross

I believe the answer is:

plasmas

I'm a little stuck... Click here to teach me more about this clue!

'becoming extremely heated' is the definition.
I can't judge whether this defines the answer.

'sacred text brought back inside as' is the wordplay.
I cannot really understand how this works, but
'as' is present in the answer.
This explanation may well be incorrect...

'things' is the link.

Can you help me to learn more?

I've seen this clue in The Independent.
Want a hint initially instead of a full solution? Install my app