Find out how to effectively deal with the 
Xal’atath’s Bargain: Devour affix in The War Within!
What is the Devour Affix?
This week’s Xal’atath’s Bargain: Devour causes Xal’atath to tear open rifts that devour the essence of players. This effect can be removed using certain class spells.
Self-Dispel Abilities for Devour
Here is a list of personal cooldowns that you can use to remove Devour from yourself:
- Death Knight:
Anti-Magic Shell with 
Unyielding Will - Hunter:
Feign Death with 
Emergency Salve, 
Aspect of the Turtle - Monk:
Diffuse Magic - Paladin:
Divine Shield - Rogue: Cloak of Shadows
- Warrior:
Bitter Immunity
Abilities for Self and Target Dispel
Here is a list of abilities that you can use to remove Devour from yourself and others.
- Druid:
Nature’s Cure (Restoration), 
Remove Corruption - Evoker:
Cauterizing Flame, 
Expunge, Naturalize (Preservation) - Mage:
Remove Curse - Monk:
Detox - Paladin:
Cleanse (Holy), 
Cleanse Toxins - Priest:
Purify (Holy), 
Purify Disease - Shaman: Cleanse Spirit, Purify Spirit (Restoration)
- Warlock:
Singe Magic (Imp Pet)
AoE Dispel Options
Here is a list of the abilities that can be used to AoE dispel Devour in Mythic+
- Monk:
Revival (Mistweaver) - Priest:
Mass Dispel - Shaman:
Poison Cleansing Totem
Source: Reddit