Originally Posted by IvanLedah21

I'm swimming in gold so I still use them on the higher leveled knights, but if you're not... level up 2-3*s in preparation for the Nation-specific events that I've heard of (where you can only use knights from a specific nation), I guess. Or sell them if you're desperate for inventory space without using gold.

wow nation specific events sounds nice, have they happened before?

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thanks everyone