Ultraman Universe Heroes can get Rob for free in this way:

1. Turn on your phone and enter the game "Ultraman Universe Heroes".

2. Go to the main page of the game and click Draw Cards. You can watch an advertisement once a day and draw cards 5 times for free.

3. For 60 consecutive days, log in to the game to draw cards, and you can get Ultraman Rob by guaranteeing the minimum.