Are packs really random or is there more to be said?

There's an old myth on my server, that when you create your toon a random number is generated on it, 1 to 10 and this number multiple with the pack chance for better odds on rare items, as bullsht as it sounds, i'm 70% inclined to believe because i always opened packs on my main on the long of 5 years playing and good god, i am unlucky friggin ****.

If anyone remember the Summer gale fiasco, where you could cs 250 gold and get all the packs on every toon on your account, some people opened 8000 packs because when the server merge happened some of them had 8 toons on each account which fused into an account with 16 toons , giving those people a juicy time opening packs, i enjoyed this "promo" as well, ended up opening 4k packs myself which turned into absolutely trash, out of 4k packs (no com, no jaden, no sot, tho can't complain about the cheap prices of everything caused by it.)

Recently, on some charge and spend promo, i decided to charge a bit to get that +12 orb from 50 gold, and just bought whatever pack was in promo, but instead of opening on my main, as i always did, this time i gave to my hs alt, and surprise surprise, i got a jaden out of it, i mean when you play for 5 years and don't get sht opening packs ( best thing ever rolled was bookless transcript), this made a very genuine happy feeling which i'll remember for a long time, with this, the myth about this random number on each toon creation made myself wonder if my main was the worst roll of all and my alt was the best, seems like fairy tail but all i can say is open packs on other toons if you can't get good stuff on your main.

The other 30% of why i don't believe is simple because there are too many people with too much $$ irl money to waste and just open packs for the fun of it, and this make them gets a lot of stuff everytime.

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I do open a lot of packs when it comes from charge/spend reward. I do use more than one account to open packs, one is my main and the others are just lv1 toons. and i got like 2 jaden and a CoM past days with the lv1 toons while nothing with the main toon.
It is really random.

Is the nature of random number generators . they are never random