The most bitcoin I ever had was 33 BTC which I earned after 4 days straight of gambling in 2015 between Just-Dice and PrimeDice. I cashed out around 6 BTC and on my way to the bank to cash out the rest of the 26 BTC I busted them lol
It may sounds bad, but if you consider the fact that I started with less than 0.05 BTC then you will realize I still finished well.
Bro 33 btc is too huge amount and if you would have saved it till date then you would have become millionaire and I really feel sorry for you that you don't have any amount right now in your wallet and it also makes me sad as if I would be at your place then I would have never gambled after having that high amount in my wallet.