This is one i took that has been discussed before … And probably only one that has never been implied that will ever happen.
If it does expect a book or token 
that maybe quite hard to get 
Alpha quest could be idea, l but kinda have them already in the game. As there one every x amount of weeks plus the free in pog and Crystals in them and offer deals loot to summon … So probably in sgg eyes they are given out enough for a free player.
I get your trying to get stuff with in game rewards . Maybe a more drop in loot could be more reasonable for alphas