diff --git a/src/Data/Skills/act_dex.lua b/src/Data/Skills/act_dex.lua
index 796d4a4e57b..84d08a3e1b1 100644
--- a/src/Data/Skills/act_dex.lua
+++ b/src/Data/Skills/act_dex.lua
@@ -2535,6 +2535,7 @@ skills["Bladefall"] = {
 	baseFlags = {
 		spell = true,
 		area = true,
+		duration = true,
 	},
 	baseMods = {
 		skill("radius", 44),
@@ -2802,6 +2803,7 @@ skills["BladefallAltZ"] = {
 	baseFlags = {
 		spell = true,
 		area = true,
+		duration = true,
 	},
 	qualityStats = {
 		{ "active_skill_base_area_of_effect_radius", 0.15 },
@@ -14223,6 +14225,7 @@ skills["SmokeMine"] = {
 		mine = true,
 		area = true,
 		buff = true,
+		duration = true,
 	},
 	baseMods = {
 		skill("radius", 18),
diff --git a/src/Data/Skills/act_int.lua b/src/Data/Skills/act_int.lua
index 1357761081a..01811f78341 100644
--- a/src/Data/Skills/act_int.lua
+++ b/src/Data/Skills/act_int.lua
@@ -2821,6 +2821,7 @@ skills["ColdSnap"] = {
 	baseFlags = {
 		spell = true,
 		area = true,
+		duration = true,
 	},
 	baseMods = {
 		skill("dotIsArea", true),
diff --git a/src/Export/Skills/act_dex.txt b/src/Export/Skills/act_dex.txt
index 3329d8c7e3d..d518bed4ef8 100644
--- a/src/Export/Skills/act_dex.txt
+++ b/src/Export/Skills/act_dex.txt
@@ -473,7 +473,7 @@ return function(skills, mod, flag, skill)
 #mods
 
 #skill Bladefall
-#flags spell area
+#flags spell area duration
 	statMap = {
 		["quality_display_bladefall_is_gem"] = {
 			--Display only
@@ -513,7 +513,7 @@ return function(skills, mod, flag, skill)
 #mods
 
 #skill BladefallAltZ
-#flags spell area
+#flags spell area duration
 	preDamageFunc = function(activeSkill, output)
 		activeSkill.skillData.hitTimeOverride = activeSkill.skillData.hitFrequency / (1 + activeSkill.skillData.incVolleyFrequency / 100)
 	end,
@@ -2933,7 +2933,7 @@ return function(skills, mod, flag, skill)
 #mods
 
 #skill SmokeMine
-#flags spell mine area buff
+#flags spell mine area buff duration
 	statMap = {
 		["base_movement_velocity_+%"] = {
 			mod("MovementSpeed", "INC", nil, 0, 0, { type = "GlobalEffect", effectType = "Buff" }),
diff --git a/src/Export/Skills/act_int.txt b/src/Export/Skills/act_int.txt
index 7c0ea12dc98..ba42be12c4e 100644
--- a/src/Export/Skills/act_int.txt
+++ b/src/Export/Skills/act_int.txt
@@ -651,7 +651,7 @@ return function(skills, mod, flag, skill)
 #mods
 
 #skill ColdSnap
-#flags spell area
+#flags spell area duration
 #baseMod skill("dotIsArea", true)
 #baseMod skill("radiusLabel", "Initial Burst:")
 #baseMod skill("radiusSecondaryLabel", "Initial Chilled Ground:")