There’s a button you have to press to merge your former cycle stuff to the current Legacy.
If you use search function on the forums, you’ll find other threads related to this, where people already discussed this. Remember to use it anytime you have questions like this, instead of opening a new thread.
Here’s one: https://forum.lastepoch.com/t/psa-for-now-legacy-characters-your-faction-reputation-and-stash-isnt-missing
Cheers.