I just started playing this week, so please church me up if I'm being dumb.
So I want to get that Leviathan's Breath bow, because bows are my favorite weapon in the game. I completed the first few parts, now it's telling me to do The Arms Dealer strike. Well I'd love to, but it says it requires season 8. I heard that if you get the season pass, which I wasn't planning on getting originally, that this would fix the bug. I have the season pass, and it still won't let me do the strike. So if someone could point me in the right direction, I'd be forever grateful.