Low damage

Hi, I’ve been doing some quests in Stormheim, and I’ve noticed that the mobs are doing way too much damage for a tank. The 5k to 7k damage I used to do is only dropping to 200 to 300 now. I tried a dungeon, and the same thing is happening. I’ve tried changing talents, logging out, and nothing works. I don’t know if it’s because I need to play the current expansions or not. I would really appreciate any help. Thank you very much.