Unit Batches/GL 2015

Witch of the Abyss
Release Dates:
 * Fei & Fang's Initial Release: February 2015
 * Fei's 6-Star Unleashed: March 2015
 * Temptress Xie'Jing Released: June 2015
 * Demonic Witch Xie'Jing Released: March 2017

Note: Temptress Xie'Jing CANNOT evolve to Demonic Witch Xie'Jing.

Easter Madness
Release Dates:
 * Bonnie & Carrol's Initial Release: April 2015
 * Bonnie & Carrol's 7-Star Unleashed: March 2016
 * Carrol's Omni Evolution Unlock: April 2017
 * Bonnie's Omni Evolution Unlock: April 2019

Elysian Mercenaries

 * Grandt & Elaina's Initial Release: May 2015
 * Omni Elaina Released: May 2018
 * Omni Grandt Released: June 2018

Void Saga

 * Initial Release: July 2015
 * Zenia's Omni Evolution Unlock: December 2016

Heroes of Eneroth

 * Initial Release (Korzan & Haile): November 2015
 * Initial Release (Avani & Mikael): January 2016
 * Initial Release (Allanon & Nyami): March 2016
 * Nyami's Omni Evolution Unlock: November 2017
 * Allanon's Omni Evolution Unlock: March 2018
 * Haile's Omni Evolution Unlock: August 2018
 * Korzan's Omni Evolution Unlock: September 2018
 * Avani's Omni Evolution Unlock: January 2019
 * Mikael's Omni Evolution Unlock: March 2019

Winter 2015

 * Initial Release: December 2015
 * Zeruiah's Omni Evolution Unlock: December 2016