I spent some magic stone for testing the drop rule .in version (2.0.13)...

and i found :

If you meet just only one king ,then you will get it ...i think it's everyone knows

Metal1.png
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If you meet king is between of two Drakes

Metal2.png

then you just only can get one Drakes....not king ....it's always the same conclusion..

Metal3.png
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And if you meet the two situation:


Metal4.png

=====>

Metal5.png


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Metal6.png

=====>

Metal7.png
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