Index: binaries/data/mods/public/globalscripts/Templates.js
===================================================================
--- binaries/data/mods/public/globalscripts/Templates.js
+++ binaries/data/mods/public/globalscripts/Templates.js
@@ -313,6 +313,15 @@
 			ret.garrisonHolder.capacity = getEntityValue("GarrisonHolder/Max");
 	}
 
+	if (template.TerritoryInfluence)
+	{
+		ret.territoryInfluence = {
+			// false if undefined
+			// Should match match logic of CCmpTerritoryInfluence.
+			"root": template.TerritoryInfluence.Root === "true"
+		};
+	}
+
 	if (template.Heal)
 		ret.heal = {
 			"hp": getEntityValue("Heal/HP"),
Index: binaries/data/mods/public/gui/common/tooltips.js
===================================================================
--- binaries/data/mods/public/gui/common/tooltips.js
+++ binaries/data/mods/public/gui/common/tooltips.js
@@ -643,6 +643,21 @@
 	return popBonus;
 }
 
+/**
+ * Returns the territory influence information to display in the specified entity's construction button tooltip.
+ */
+function getTerritoryInfluenceTooltip(template)
+{
+	let text = "";
+	if (template.territoryInfluence && template.territoryInfluence.root) {
+		text += sprintf(translate("%(label)s %(text)s"), {
+			"label": headerFont(translate("Territory Influence:")),
+			"text": translate("Other buildings in this building's do not decay.")
+		});
+	}
+	return text
+}
+
 /**
  * Returns a message with the amount of each resource needed to create an entity.
  */
Index: binaries/data/mods/public/gui/reference/common/draw.js
===================================================================
--- binaries/data/mods/public/gui/reference/common/draw.js
+++ binaries/data/mods/public/gui/reference/common/draw.js
@@ -21,6 +21,7 @@
 	getGatherTooltip,
 	getResourceSupplyTooltip,
 	getPopulationBonusTooltip,
+	getTerritoryInfluenceTooltip,
 	getResourceTrickleTooltip,
 	getLootTooltip
 ];
Index: binaries/data/mods/public/simulation/templates/structures/iber_monument.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/structures/iber_monument.xml
+++ binaries/data/mods/public/simulation/templates/structures/iber_monument.xml
@@ -35,7 +35,7 @@
     <SpecificName>Gur Oroigarri</SpecificName>
     <Classes datatype="tokens">Monument</Classes>
     <Icon>structures/iberian_bull.png</Icon>
-    <Tooltip>All units within vision of this monument will fight harder. Buildings in the territory of the monument do not decay.</Tooltip>
+    <Tooltip>All units within vision of this monument will fight harder.</Tooltip>
   </Identity>
   <Loot>
     <wood>0</wood>
Index: binaries/data/mods/public/simulation/templates/structures/maur_pillar_ashoka.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/structures/maur_pillar_ashoka.xml
+++ binaries/data/mods/public/simulation/templates/structures/maur_pillar_ashoka.xml
@@ -35,7 +35,7 @@
     <SpecificName>Śāsana Stambha Aśokā</SpecificName>
     <Classes datatype="tokens">Pillar</Classes>
     <Icon>structures/ashoka_pillar.png</Icon>
-    <Tooltip>The famous pillar of Ashoka. Increases the walk speed of traders. Buildings in the territory of the monument do not decay.</Tooltip>
+    <Tooltip>The famous pillar of Ashoka. Increases the walk speed of traders.</Tooltip>
   </Identity>
   <Loot>
     <wood>0</wood>