To9 drops

tahoediamond

My I pray to the RNG gods that I get an ultimate enchanting stone soon

adinosii

if you open both chests, you might get an UES once every 20-30 runs or so....but it is all random - I once got three stones in one day - but I have also done over 40 runs in a row without a single stone.

mebengalsfan

I see one every 10 or so chest. I stopped using legendary dragon keys, no point in waisting AD on bad drops. I will only use keys I can make from the chult campaign.