Yes

He got heads all the fifty times he tossed. It was a success but the limits were to be tested and the part he was most scared of was that because of the blood the the protection offered by the box would not work, this cannot be confirmed until someone comes for the box.

For the next few days he tested his luck in a variety of things and pushed his luck in his own cowardly way.

The things he found are

The stones powers are:

It gives you great luck. But not rules or reality changing luck physical laws don't change.

The more You efforts the more lucky you get in immediate situations. Like hitting bullseye and stuff.

If the outcome is purely based on luck you will win unless you winning brings you badluck or harm.( This was tested by playing video games).

Strongly wishing something makes that come true but takes time depending on how difficult it is to be done. ( Wished for a plastic cover on the street to come to his apartment window on second floor took two minutes. Same wish with a brick took almost half an hour with various steps and almost broke his window. Wish to make the brick talk not happened even after an hour.)

Your thoughts are not affected by the luck stone. ( While trading options he got a few wrong but when he assigned heads to call and tails to put and did predictions based on the toss he got all correct).

Complex systems with many variables requires time. ( Weather, stock markets, internet pools)