They will acquire their magical abilities by going through the painting. The painting opens up the magical core inside of each person which is why one must go through the painting on their first trip to Sanctuary.
Aisling said
Yes. This is a brand new world where the only inhabitants are those who are at Caldwell's. In fact this world is in a new galaxy called Bridgemix Galaxy and only visits the Milkyway Galaxy twice a year for just a few days.
Yaneznayo said
mr butler dude you forgot me XD