Black Bull is a 5×4 slot with 20 Pay lines, at an RTP of 96.51%, and a maximum win of 4500x stake.

During base play, Money symbols (gold coins) land with cash values, while Wild symbols featuring the bull collect all visible coin prizes instantly. 

The same feature powers the Free Spins bonus, where all collected cash values accumulate in a persistent meter, each new Wild adds to the total and awards the full pot of prizes every time it lands.
