On Normal difficulty and higher, [Ember Blast] also applies applications of [Lingering Embers], split evenly between all players hit.
On Heroic difficulty and higher, [Blazing Surge] targets a random player's position rather than the primary target's position.
On Mythic difficulty, the Reborn Phoenixes do not disappear when the Shade of Kael'thas is defeated.
On Normal Difficulty or higher, Smoldering Plumage leaves [Smoldering Remnants] behind.
[Ember Blast], [Blazing Surge] and the Reborn Phoenixes's [Smoldering Plumage] leave behind Smoldering Remnants.
On Normal difficulty and higher, when a Vile Occultist dies, they leave behind an Essence Font.