diff --git a/modules/infight.lua b/modules/infight.lua
new file mode 100644
index 0000000..03ed211
--- /dev/null
+++ b/modules/infight.lua
@@ -0,0 +1,51 @@
+pfUI:RegisterModule("infight", "vanilla:tbc", function ()
+  local function OnUpdate()
+    if not this.infight and not this.aggro and not this.health then return end
+    if ( this.tick or 1) > GetTime() then return else this.tick = GetTime() + .1 end
+
+    if not this.fadeValue then  this.fadeValue = 1 end
+    if this.fadeValue >= 0.3 then
+      this.fadeModifier = -0.1
+    end
+    if this.fadeValue <= 0 then
+      this.fadeModifier = 0.1
+    end
+    this.fadeValue = this.fadeValue + this.fadeModifier
+
+    local visible = nil
+    if this.infight and UnitAffectingCombat("player") then visible = true end
+    if this.aggro and UnitHasAggro("player") > 0 then visible = true end
+    if this.health and UnitHealth("player")/UnitHealthMax("player")*100 <= 25 then visible = true end
+    if UnitIsDeadOrGhost("player") then visible = nil end
+
+    if visible then
+      this.screen:Show()
+      this.screen:SetBackdropBorderColor(1,0.2+this.fadeValue, this.fadeValue, 1-this.fadeValue)
+    else
+      this.screen:Hide()
+    end
+  end
+
+  pfUI.infight = CreateFrame("Frame", "pfUICombat", UIParent)
+  pfUI.infight:SetScript("OnUpdate", OnUpdate)
+
+  pfUI.infight.screen = CreateFrame("Frame", "pfUICombatScreen", WorldFrame)
+  pfUI.infight.screen:SetAllPoints(WorldFrame)
+  pfUI.infight.screen:EnableMouse(false)
+  pfUI.infight.screen:Hide()
+
+  pfUI.infight.UpdateConfig = function(self)
+    pfUI.infight.infight = C.appearance.infight.screen == "1" and true or nil
+    pfUI.infight.aggro = C.appearance.infight.aggro == "1" and true or nil
+    pfUI.infight.health = C.appearance.infight.health == "1" and true or nil
+
+    pfUI.infight.screen:SetBackdrop({
+      edgeFile = pfUI.media["img:glow"], edgeSize = tonumber(C.appearance.infight.intensity),
+      insets = {left = 0, right = 0, top = 0, bottom = 0},
+    })
+
+    pfUI.infight.screen:Hide()
+  end
+
+  pfUI.infight.UpdateConfig()
+end)