We could totally use a champion who is a Blacksmith.

With a very cool mechanic allowing him to further upgrade his items for bonus stats at the cost of a bit of gold.

So like, he could upgrade each item 3 times, and each upgrade would increase the stats given by said item.

Each upgrade costs 400 extra gold and he can upgrade the items at any given time, granting him 10/17.5/25% bonus stats

Let's say he wants to upgrade his Randuins Omen.

Upgrading Randuins Omen 1 time will grant it 7 bonus Armor and 50 bonus HP for 400 gold. In the end, Omen gives 77 Armor and 550 HP total.

Upgrading Randuins Omen 2 times will grant it 12 bonus Armor and 88 bonus HP for 800 gold. In the end, Omen gives 82 Armor and 588 HP total.

Upgrading Randuins Omen 3 times will grant it 18 bonus Armor and 125 bonus HP for 1200 gold. In the end, Omen gives 88 Armor and 625 HP total.

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Now you may think "wtf, 1200 gold for 18 Armor and 125 HP? this is way too expensive"

But remember you are basically buying item slots. And item slots are priceless.

Also, nothing stops you from doing your regular build and then start upgrading all your stuff in the end.

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Anyway, write your thoughts.