Do the two Sonya Deville storylines on Smackdown to progress to "No One is Ready for Asuka Or Beth Phoenix!", which is the Royal Rumble storyline. Here is the easy way to win it:
*** Spoiler - click to reveal ***Adam Pearce offers you a spot in the Women's Royal Rumble, but there's one catch: you have to enter at #1. However, after starting the quest, Asuka offers you #30. That is, if you take out Beth Phoenix before the Rumble. After you do that, you get a scene with Alexa Bliss and Sonya Deville fighting. You come out but Beth Phoenix interrupts your entrance, eliminating the other two. Simply throw her over the top to win. Then continue the storyline until you win the title.
NOTE: If you decide to go the full distance, you can follow my WWE Championship (Men's Royal Rumble) guide.