Chrono Clock... Right-click to stop time. Right-click again to resume time.
Great Rejection... Right-click to transfer surrounding entities to another dimension.
Judgement Scales... Right-click to swap the Health (HP) of the entity you're looking at with your own.
Oblivion Bell... Right-click to become undetectable by nearby entities. Right-click again to cancel.
More items may be added in the future.