diff --git a/Classic/ZulFarrak/NekrumAndSezzziz.lua b/Classic/ZulFarrak/NekrumAndSezzziz.lua
index 1c3553e7f..921baccbd 100644
--- a/Classic/ZulFarrak/NekrumAndSezzziz.lua
+++ b/Classic/ZulFarrak/NekrumAndSezzziz.lua
@@ -8,30 +8,129 @@ mod:RegisterEnableMob(7796, 7275) -- Nekrum Gutchewer, Shadowpriest Sezz'ziz
 mod:SetEncounterID(598)
 --mod:SetRespawnTime(0) -- resets, doesn't respawn
 
+--------------------------------------------------------------------------------
+-- Locals
+--
+
+local deaths = 0
+
 --------------------------------------------------------------------------------
 -- Initialization
 --
 
 function mod:GetOptions()
 	return {
+		-- Nekrum Gutchewer
+		{8600, "DISPEL"}, -- Fevered Plague
+		-- Shadow Priest Sezz'ziz
+		13704, -- Psychic Scream
+		{8362, "DISPEL"}, -- Renew
+		12039, -- Heal
+	}, {
+		[8600] = -5019, -- Nekrum Gutchewer
+		[13704] = -5020, -- Shadow Priest Sezz'ziz
 	}
 end
 
 function mod:OnBossEnable()
-	if self:Retail() then
-		self:RegisterEvent("ENCOUNTER_START") -- XXX no boss frames
+	-- Nekrum Gutchewer
+	self:Log("SPELL_CAST_START", "FeveredPlague", 8600)
+	self:Log("SPELL_AURA_APPLIED", "FeveredPlagueApplied", 8600)
+
+	-- Shadow Priest Sezz'ziz
+	self:Log("SPELL_CAST_START", "PsychicScream", 13704)
+	self:Log("SPELL_CAST_START", "Renew", 8362)
+	self:Log("SPELL_INTERRUPT", "RenewInterrupt", 8362)
+	self:Log("SPELL_CAST_SUCCESS", "RenewSuccess", 8362)
+	self:Log("SPELL_AURA_APPLIED", "RenewApplied", 8362)
+	self:Log("SPELL_CAST_START", "Heal", 12039)
+	self:Log("SPELL_INTERRUPT", "HealInterrupt", 12039)
+	self:Log("SPELL_CAST_SUCCESS", "HealSuccess", 12039)
+
+	if self:Heroic() then -- no encounter events in Timewalking
+		self:RegisterEvent("INSTANCE_ENCOUNTER_ENGAGE_UNIT", "CheckBossStatus")
 	end
+	self:Death("BossDeath", 7796, 7275)
 end
 
 function mod:OnEngage()
+	deaths = 0
+	self:CDBar(8600, 6.1) -- Fevered Plague
+	self:CDBar(13704, 17.0) -- Psychic Scream
 end
 
 --------------------------------------------------------------------------------
 -- Event Handlers
 --
 
-function mod:ENCOUNTER_START(_, id) -- XXX no boss frames
-	if id == self.engageId then
-		self:Engage()
+-- Nekrum Gutchewer
+
+function mod:FeveredPlague(args)
+	if self:MobId(args.sourceGUID) == 7796 then -- Nekrum Gutchewer
+		self:Message(args.spellId, "yellow", CL.casting:format(args.spellName))
+		self:CDBar(args.spellId, 13.4)
+		self:PlaySound(args.spellId, "alert")
+	end
+end
+
+function mod:FeveredPlagueApplied(args)
+	if (self:Me(args.destGUID) or self:Dispeller("disease", nil, args.spellId)) and self:MobId(args.sourceGUID) == 7796 then -- Nekrum Gutchewer
+		self:TargetMessage(args.spellId, "orange", args.destName)
+		self:PlaySound(args.spellId, "alarm", nil, args.destName)
+	end
+end
+
+-- Shadow Priest Sezz'ziz
+
+function mod:PsychicScream(args)
+	self:Message(args.spellId, "yellow")
+	self:CDBar(args.spellId, 27.9)
+	self:PlaySound(args.spellId, "info")
+end
+
+function mod:Renew(args)
+	self:Message(args.spellId, "orange", CL.casting:format(args.spellName))
+	self:PlaySound(args.spellId, "alert")
+end
+
+function mod:RenewInterrupt()
+	self:CDBar(8362, 19.9)
+end
+
+function mod:RenewSuccess(args)
+	self:CDBar(args.spellId, 19.9)
+end
+
+function mod:RenewApplied(args)
+	if self:Dispeller("magic", true, args.spellId) and self:Hostile(args.destFlags) then
+		self:Message(args.spellId, "yellow", CL.on:format(args.spellName, args.destName))
+		self:PlaySound(args.spellId, "alarm", nil, args.destName)
+	end
+end
+
+function mod:Heal(args)
+	self:Message(args.spellId, "red", CL.casting:format(args.spellName))
+	self:PlaySound(args.spellId, "alert")
+end
+
+function mod:HealInterrupt()
+	self:CDBar(12039, 10.3)
+end
+
+function mod:HealSuccess(args)
+	self:CDBar(args.spellId, 10.3)
+end
+
+function mod:BossDeath(args)
+	deaths = deaths + 1
+	if self:Heroic() and deaths == 2 then -- no encounter events in Timewalking
+		deaths = 0
+		self:Win()
+	elseif args.mobId == 7796 then -- Nekrum Gutchewer
+		self:StopBar(8600) -- Fevered Plague
+	else -- 7275, Shadowpriest Sezz'ziz
+		self:StopBar(13704) -- Psychic Scream
+		self:StopBar(8362) -- Renew
+		self:StopBar(12039) -- Heal
 	end
 end
diff --git a/Classic/ZulFarrak/Options/Colors.lua b/Classic/ZulFarrak/Options/Colors.lua
index b7fac6563..a1f7e96b7 100644
--- a/Classic/ZulFarrak/Options/Colors.lua
+++ b/Classic/ZulFarrak/Options/Colors.lua
@@ -15,6 +15,10 @@ BigWigs:AddColors("Gahz'rilla", {
 })
 
 BigWigs:AddColors("Nekrum & Sezz'ziz", {
+	[8362] = {"orange","yellow"},
+	[8600] = {"blue","orange","yellow"},
+	[12039] = "red",
+	[13704] = "yellow",
 })
 
 BigWigs:AddColors("Chief Ukorz Sandscalp", {
diff --git a/Classic/ZulFarrak/Options/Sounds.lua b/Classic/ZulFarrak/Options/Sounds.lua
index e3f956078..fd183108d 100644
--- a/Classic/ZulFarrak/Options/Sounds.lua
+++ b/Classic/ZulFarrak/Options/Sounds.lua
@@ -15,6 +15,10 @@ BigWigs:AddSounds("Gahz'rilla", {
 })
 
 BigWigs:AddSounds("Nekrum & Sezz'ziz", {
+	[8362] = {"alarm","alert"},
+	[8600] = {"alarm","alert"},
+	[12039] = "alert",
+	[13704] = "info",
 })
 
 BigWigs:AddSounds("Chief Ukorz Sandscalp", {