Maybe not needed, but I'll still leave it here (a little advice)
If you do any further trades on this site don't go first with the full amount if you have never traded with him (the seller) before (doesn't count if he is ID verified) so in case you'll get scammed that it ain't that much that you're loosing of, Also only trade with a Trade request, so you can actually report the scammer otherwise you're not able to warn other people on this forum without getting a warning and your post deleted.
(I'm not a fan of the Report rules)
also advice to be safer in lost ark,
Don't buy botted or reseller gold since it will get you banned with a higher chance, rather take the .10 - .50 cent more per 1k and buy hand farmed gold and which come from a legit source and get transferred legit.