diff --git a/descriptions/rep/en_us.lua b/descriptions/rep/en_us.lua
index 343903b4..bf0fef0d 100644
--- a/descriptions/rep/en_us.lua
+++ b/descriptions/rep/en_us.lua
@@ -794,6 +794,25 @@ EID.descriptions["en_us"].bookOfVirtuesWisps = {
 	
 }
 
+-- Special Locust effects when Item was eaten by Abyss
+EID.descriptions["en_us"].abyssSynergies = {
+	[2] = "Three normal locusts", -- The Inner Eye
+	[3] = "Purple homing locust", -- Spoon Bender
+	[4] = "Red large locust that deals triple damage", -- Cricket's Head
+	[6] = "Yellow fast short range locust that deals damage more quickly", -- Number One
+	[7] = "Red locust that deals double damage", -- Blood of the Martyr
+	[10] = "Two gray locusts that deal half damage", -- Halo of Flies
+	[13] = "Green locust that poisons enemies", -- The Virus
+	[103] = "Green locust that poisons enemies", -- The Common Cold
+	[118] = "Gray larger locust that is otherwise normal", -- Brimstone
+	[149] = "Large, slow, green locust that deals x1.5 your damage and poisons enemies", -- Ipecac
+	[153] = "Four normal locusts", -- Mutant Spider
+	[257] = "Orange, burning locust that sets enemies on fire", -- Fire Mind
+	[305] = "Green locust that poisons enemies", -- Scorpio
+	[374] = "Cyan, glowing locust that can spawn beams of light that deal deal 3x your damage", -- Holy Light
+	[494] = "Light blue locust with arcs of electricity that deals 0.1 damage per tick", -- Jacob's Ladder
+	[559] = "Light blue locust with arcs of electricity that deals 0.1 damage per tick", -- 120 Volt
+}
 ---------- Cards ----------
 
 local repCards={
@@ -921,6 +940,7 @@ EID.descriptions["en_us"].horsepills={
 	[9999] = {"", "Golden Pill", "Random horse pill effect#Destroys itself after a few uses"}, -- Golden Pill
 }
 
+
 EID.descriptions["en_us"].CraftingBagContent = "Bag:"
 EID.descriptions["en_us"].CraftingRoomContent = "Room:"
 EID.descriptions["en_us"].CraftingFloorContent = "Floor:"
diff --git a/eid_modifiers.lua b/eid_modifiers.lua
index b7c3c0ad..b3f480d2 100644
--- a/eid_modifiers.lua
+++ b/eid_modifiers.lua
@@ -292,4 +292,29 @@ local game = Game()
 	end
 	EID:addDescriptionModifier("Placebo", PlaceboCondition, PlaceboCallback)
 
+
+	-- Handle Abyss description addition
+	local function AbyssCondition(descObj)
+		if not REPENTANCE or descObj.ObjType ~= 5 or descObj.ObjVariant ~= PickupVariant.PICKUP_COLLECTIBLE then
+			return false
+		end
+		for i = 0, game:GetNumPlayers() - 1 do
+			local player = Isaac.GetPlayer(i)
+			if player:HasCollectible(CollectibleType.COLLECTIBLE_ABYSS) then
+				return true
+			end
+		end
+		return false
+	end
+	
+	local function AbyssCallback(descObj)
+		local text = EID:getDescriptionEntry("abyssSynergies", descObj.ObjSubType)
+		if text ~= nil then
+			local iconStr = "#{{Collectible706}} {{ColorRed}}"
+			EID:appendToDescription(descObj, iconStr..text)
+		end
+		return descObj
+	end
+	EID:addDescriptionModifier("Abyss", AbyssCondition, AbyssCallback)
+
 end