u/Actual_Affect7240

I am lost in Stone Wave Cliffs and cannot find the Chromatic Hexga no matter how much I search. I have followed all the online assists but they never explicitly tell me what flag to start at and they just keep saying “follow the linear path to the bottom” but it just keeps leading me to the cave I never get to the pillar they go down and I have not seen the archway that is depicted in the screen recordings.
I just want to find the last journal entry I am missing (of the ones pre-labeled) 54.
If anyone has any tips I would greatly appreciate it.