diff --git a/src/Modules/CalcPerform.lua b/src/Modules/CalcPerform.lua
index cca45879..efc2dc7c 100644
--- a/src/Modules/CalcPerform.lua
+++ b/src/Modules/CalcPerform.lua
@@ -1300,6 +1300,25 @@ function calcs.perform(env, avoidCache)
 		end
 	end
 
+	-- Special handling of Mageblood
+	local maxActiveMagicUtilityCount = modDB:Sum("BASE", nil, "ActiveMagicUtilityFlasks")
+	if maxActiveMagicUtilityCount > 0 then
+		local curActiveMagicUtilityCount = 0
+		for _, slot in pairs(env.build.itemsTab.orderedSlots) do
+			local slotName = slot.slotName
+			local item = env.build.itemsTab.items[slot.selItemId]
+			if item and item.type == "Flask" then
+				local mageblood_applies = item.rarity == "MAGIC" and not (item.baseName:match("Life Flask") or
+					item.baseName:match("Mana Flask") or item.baseName:match("Hybrid Flask")) and
+					curActiveMagicUtilityCount < maxActiveMagicUtilityCount
+				if mageblood_applies then
+					env.flasks[item] = true
+					curActiveMagicUtilityCount = curActiveMagicUtilityCount + 1
+				end
+			end
+		end
+	end
+
 	-- Merge flask modifiers
 	if env.mode_combat then
 		local effectInc = modDB:Sum("INC", nil, "FlaskEffect")
diff --git a/src/Modules/ModParser.lua b/src/Modules/ModParser.lua
index 5e14398d..920dc403 100644
--- a/src/Modules/ModParser.lua
+++ b/src/Modules/ModParser.lua
@@ -2902,6 +2902,7 @@ local specialModList = {
 	["added small passive skills have (%d+)%% increased effect"] = function(num) return { mod("JewelData", "LIST", { key = "clusterJewelIncEffect", value = num }) } end,
 	["this jewel's socket has (%d+)%% increased effect per allocated passive skill between it and your class' starting location"] = function(num) return { mod("JewelData", "LIST", { key = "jewelIncEffectFromClassStart", value = num }) } end,
 	-- Misc
+	["leftmost (%d+) magic utility flasks constantly apply their flask effects to you"] = function(num) return { mod("ActiveMagicUtilityFlasks", "BASE", num) } end,
 	["marauder: melee skills have (%d+)%% increased area of effect"] = function(num) return { mod("AreaOfEffect", "INC", num, { type = "Condition", var = "ConnectedToMarauderStart" }, { type = "SkillType", skillType = SkillType.Melee }) } end,
 	["intelligence provides no inherent bonus to energy shield"] = { flag("NoIntBonusToES") },
 	["intelligence is added to accuracy rating with wands"] = { mod("Accuracy", "BASE", 1, nil, ModFlag.Wand, { type = "PerStat", stat = "Int" } ) },