Considering that almost all debuffs are in the 90% per item seems way to much a 40%-50% per item is a bit more reasonable. Its good to be protected but it doesn't help if you struggle to move around, it seems that you have an understanding that all Armour Smiths have. That is why they started using more durable and lighter metals. Good work on your mode, very reasonable.

as it is in my universe

This just makes heavy armor overpowered