Minecraft Emerald Gear concept?

How about having Emerald Gear?

Even if you had it, it would be far too easy to make one with trading, which is why you would probably have bad stats.

That's why…

I think upgradable armor would be good. For each upgrade there's +0.25 Dmg for the sword and +0.25 armor bars for armor and the upgrade costs 1 Emerald and then always double, i.e. 2,4,8,16,32,64,128 …

What do you think?

Okay