Here’s a second sneak peek of the upcoming update (v.1.4) 
!
[spoiler]
Introducing the first ever Hero of the Month hero: Hel!
Hero of The Month: a new hero available every month!
The first Hero of the Month: Hel, Princess of the Underworld
A new, limited-time hero can be gained as a Bonus Summon from any Epic or Elemental Summon
[/spoiler]