The Well of Existence

The Well of Existence is an Azerite essence obtained through the Rustbolt Resistance reputation faction. This essence can only be used by healer specializations.

Source

 * Rank 1 is learned from Reactive Existence Battery, purchased for 2 S.P.A.R.E. Crate and 1 Galvanic Oscillator from the Stolen Royal Vendorbot in Rustbolt. Requires with the Rustbolt Resistance.
 * Rank 2 is learned from Enhanced Existence Capacitor, purchased for 8 S.P.A.R.E. Crate and 4 Galvanic Oscillator from the Stolen Royal Vendorbot. Requires with the Rustbolt Resistance.
 * Rank 3 is learned from Calibrated Existence Gauge, purchased for 20 S.P.A.R.E. Crate and 8 Galvanic Oscillator from the Stolen Royal Vendorbot. Requires with the Rustbolt Resistance
 * Players who have learned Rank 3 of The Well of Existence, Nullification Dynamo, or Purification Protocol on any character have the option to purchase this item for 2,500 Echoes of Ny'alotha from MOTHER in the Chamber of Heart.
 * Rank 4 is learned from Existence Vibrancy Display, rarely looted from Rustbolt Supplies, the cache for the Rustbolt Resistance.