Season of Discovery Leveling Phases

Phase	Level Cap	Level-Up Raids	Zone Events
Phase 1	Levels 25	Blackfathom Deeps	Ashenvale
Phase 2	Levels 40
Phase 3	Levels 50
Phase 4	Levels 60

Blizzard also stated that they will be watching players closely, to ensure each phase feels right for the amount of time before unlocking the next leveling phase. As of Blizzcon, Developers didn’t give specifics on the amount of time, but hinted at it being more than one month, maybe two months.