In an exclusive interview with Wowhead, Game Director Ion Hazzikostas revealed that there are no current plans to adjust Legendary Evoker Weapon acquisition in Patch 10.1.5.
With many players creating multiple Evokers or frustrating at the acquisition of the Legendary, Ion Hazzikostas announced that nothing is planned at the moment but they are aware of the concerns and hotfixes are possible if adjustments are made.