A friend is getting this echoes every 2-3 days. is it normal?

https://preview.redd.it/g9x7qbxboyog1.png?width=478&format=png&auto=webp&s=54071bd018dc1a79b701d4d917793e612a365a1d

https://preview.redd.it/hv3r5xk7pyog1.png?width=557&format=png&auto=webp&s=841e486a48f8b4f121f28711deac08d862d72b64

My friend is getting this rolls many times and i must have luck if i get double crit with good rolls or even double crit and another main stats with bad rolls.

So... Is it normal luck or not?