How did rengar find gnar (lore)

So in the lore rengar and gnar meet, in gnar’s short story rengar is hunting mega gnar and finds mini gnar... but in the lore gnar is from the frejord while rengar is from the jungles near shurima... how the hell did they find each other cause they are on the other side of the map one of them would have had to trek through an entire continent to get to the other one (not to mention through the shuriman desert. Sorry I just thought of this and now it’s really bugging me
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