"On Tython, you'd use a meditation chamber to achieve a "Susheer State" of serenity. But every culture has similar rituals—we'll make do with what Rishi provides."
Kutri O'a[src]

A Susheer State was a mental state achieved through meditation that was used by the Jedi Order to construct holocrons during the era of the Cold War and Galactic War. A Jedi would use a meditation chamber, or the present culture's equivalent, to achieve such a state and thus attune their mind to the Force; such a state often resulted in dreams and visions of the past and future.