Auto sword upgrade

I was thinking that it would be a good idea if swords could be upgraded by xp so kills get your weapon xp so it would be like this
Animals: 10 xp
Monster: 20 xp
Player: 50 xp
Boss: 150 xp
If in a players inventory it earns 5 xp a minute
If in a players hot bar it earns 10 xp a minute
If it gets enchanted it earns 100 xp
If you take it to a an anvil it takes 50 xp for every material fused with it
It takes 1000 xp to level up a weapon every time it levels up it deals 1 more damage and every time it runs out of durability it restores itself


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