DoH levelling has a lot of variables. Road to 70 buff, HQ pops, food, etc.
I wemt from 1-80 in a few hours on CUL using the following info:
https://docs.google.com/spreadsheets/d/e/2PACX-1vSle1GjJnme3QhxJbrWdDE3dEl_3kEk5391au9VJMZ5lgKHnPR4NBR7Jp6lsNuiHCatpYxrhpMahV-3/pubhtml#
Go to the guild for your DoH, level from 1-20 using guild supplier mats and quests, then go to Firmament and use the above spreadsheet to determine mats needed. With the road to 70 buff, I only need about 1/2 of the mats they listed for each class.