You are ineligible to earn loot due to previous behavioral restrictions.

Depends on how quickly you learn to control yourself. You should expect a few months at least.

I got permabanned and then unpermabanned and was able to use hextech crafting on day 1 return.

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I like to flame and be toxic.

How childish.

As long as you continue to display both the poise and morality of a lower class ruffian you will never feel the joy of a hextech reward.