The Dynasty Rewards program includes a monthly Crown boost feature for Silver through Onyx status tiers.
Crown accrual boosts are awarded within 72 hours after the close of each month. The boost is applied on all Crowns earned that month (excluding the previous month’s boost Crowns). Your boost percentage is determined by your Dynasty status tier:
Once you reach a status tier, you’ll receive the accrual boost each month for the remainder of the calendar year in which you reach the status tier, as well as for the full calendar year after it.