New Post: My Armor Amount are Reduced Upon Leveling

I'm not sure what I'm doing wrong, but my armor sets Armor got reduced tremendously from 500 to 50.. upon leveling from 69 to 70.

i set my items to have
item lv: 70
Legendary lv: 70
Ancient Enchantable
Tier (as the highest armor for that type of armor)

and from time to time, my weapon also get damage reduced

Please help.