If ur ECA report is with you & the relevant degree certificates, then you don’t need anything more...
Next step for you is filing eAPR for which you need to scan and the ECA & the degree certificate (s) and make it all into one single pdf of less than 4mb and upload.
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I am from India and did both my masters and bachelors assessed...I scanned the ECA for masters followed by Masters degreee certificate and then ECA for bachelors and degeee ctfcr for same in that order..
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Your agent is either ignorant or is trying to make things up so that he can take advantage of you..
Tell him he will face dire consequences if he tries to mess up...or tackle it is an amicable way so that he doesn’t screw up ur case..
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from here on, all you need is your ielts , ECA ,work exp letter , PCCs, eMedicals , photo as per spec , personal history for last ten years, travel history for last ten years etc.
I did all of mine in under 4 hours...
All the best...
Lure him to help you proper saying few of ur friends were asking about them and you’d refer once your ppr is through...
In case he needs something/ lacks info, come back here...I’m sure you’ll find help here...