We think we've found a way to fix a bug, and we're planning to deploy the fix in the next day or two.
The bug is with the Corruption Effect Ineffable Truth and its interaction with abilities like 制裁之拳
causing more than the intended amounts of cooldown reduction.
The hotfix will make it so the flat cooldown reduction provided by 制裁之拳
(and similar abilities) will not be unintentionally increased by effects that increase your cooldown rate (such as 不可言喻的真相
We'll confirm that the fix is live in our hotfixes update posts.