Talk:Legendaries and Mythicals/@comment-32493875-20170927122732/@comment-29703210-20170928112611

The booster gives a x2 multiplier, doubling the chances of encountering a Legendary. In this case, the normal Legendary encounter rate will be increased from 1/1000 to 1/500. If paired with the gamepass, the encounter rate will be increased from 1/500 to 1/50.