im diamond 5 player in euw, started boosting some accounts, i can easily and fast boost to gold:
this was just this morning on Platinum 3:
BRONZE:
BRONZE 5 - BRONZE 4 = 6€
BRONZE 4 - BRONZE 3 = 6€
BRONZE 3 - BRONZE 2 = 6€
BRONZE 2 - BRONZE 1 = 6€
BRONZE 1 - SILVER...