Stop with the FOMO

[Iscah]

(the adjacent Wondrous Tails as well, to a much lesser extent. Unless you're at endgame, you get 60-capped duties with appropriately lesser rewards)

It doesn't actually require endgame access, just a character at level cap, so if you really wanted to then you could buy the expansion earlier and just not start on the story content.

(But really, I forget to even submit the WT book most weeks, and it's no great loss.)