Strongest Regions Based on Champion Strength
I calculated this with # of champions in top 20 win rates according to op.gg across all ranks in NA as of July 1st - # of champions in bottom 20 win rates and sorting champions by their stated alignment on the champion page in universe.
- Zaun and Noxus tied with a score of 2
- Demacia and Targon tied with a score of 1
- Bilgewater, Ionia, and the Darkin are tied with 0
Bilgewater:
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Demacia:
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Ionia:
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Targon:
Unaligned:
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Freljord:
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Zaun:
Shadow Isles: 
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Noxus: 
Shurima: --- 
Void: --- 
Bandle City: --- 
Piltover: --- 
I mean I could do a more complex one but this is the simplest one.