Aspects = {
    aer = {
        name = "Aer",
        tier = 1
    } -- There are a ton more of these with different tiers
}

table.sort(Aspects, function(a, b) return a.tier > b.tier end)

for _, v in pairs(Aspects) do
    print(v.name.." ("..tostring(v.tier)..")")
end