Upgrade to ability Despair of the Deep

[Karin]

Despair of the Deep now debuffs all enemies physical defense by:

Level 1: -12500
Level 2: -15000
Level 3: -17500
Level 4: -20000

[Dvvalin]

Any chance Furious Cry/Roar will get a buff?

[Ajee]

Is the effects stacked if I put two hero with same dispair of the deep skill in the team?.. and further more if I put a hero with demoralizing skill what would the effects will be?

[The Waiter]

Is the effects stacked if I put two hero with same dispair of the deep skill in the team?.. and further more if I put a hero with demoralizing  skill what would the effects will be?

I believe it won't stack