The level 23 version of this set is Cain's Fate.
The set includes four items, three of which are required to complete it.
- +8% increased attack speed and +50% experience (+5% at level 70) (2 items)
- When a Greater Rift Keystone drops, there is a 25% chance for an extra one to drop (3 items)
The experience bonus is not multiplicative with the one for increased difficulty.
This set also used to provide a +50% Magic Find bonus until that stat was deprecated.