Short answer
Is Royal Reels legit? The honest framing.
"Is Royal Reels legit" is the wrong question by itself, the useful question is "legit for whom, doing what, paying how, on which day". Royal Reels Casino Australia is an offshore-licensed operator, which is the norm for casino brands accepting Australian players. That alone does not make it illegitimate. It does mean the verification weight sits on the player: your jurisdiction, your bank, your KYC documents, your bonus state, and your payment-method name all have to line up before a withdrawal will move cleanly.
This page is the canonical legitimacy entry point on this site. Use it before the cashier, not after the dispute.