Index: binaries/data/mods/public/simulation/data/auras/units/centurion.json
===================================================================
--- binaries/data/mods/public/simulation/data/auras/units/centurion.json
+++ binaries/data/mods/public/simulation/data/auras/units/centurion.json
@@ -1,14 +0,0 @@
-{
-	"type": "range",
-	"radius": 30,
-	"affects": ["Soldier"],
-	"modifications": [
-		{ "value": "Attack/Melee/Damage/Hack", "multiply": 1.1 },
-		{ "value": "Attack/Melee/Damage/Pierce", "multiply": 1.1 },
-		{ "value": "Attack/Melee/Damage/Crush", "multiply": 1.1 },
-		{ "value": "Promotion/RequiredXp", "multiply": 0.75 }
-	],
-	"auraName": "Combat Leadership",
-	"auraDescription": "Melee Soldiers +10% attack damage and all Soldiers −25% experience points for promotion.",
-	"overlayIcon": "art/textures/ui/session/auras/attack_bonus.png"
-}
Index: binaries/data/mods/public/simulation/data/auras/units/centurion_1.json
===================================================================
--- binaries/data/mods/public/simulation/data/auras/units/centurion_1.json
+++ binaries/data/mods/public/simulation/data/auras/units/centurion_1.json
@@ -0,0 +1,14 @@
+{
+	"type": "range",
+	"radius": 30,
+	"affects": ["Soldier"],
+	"modifications": [
+		{ "value": "Attack/Melee/Damage/Hack", "multiply": 1.1 },
+		{ "value": "Attack/Melee/Damage/Pierce", "multiply": 1.1 },
+		{ "value": "Attack/Melee/Damage/Crush", "multiply": 1.1 },
+		{ "value": "Promotion/RequiredXp", "multiply": 0.75 }
+	],
+	"auraName": "Combat Leadership",
+	"auraDescription": "Melee Soldiers +10% attack damage and all Soldiers −25% experience points for promotion.",
+	"overlayIcon": "art/textures/ui/session/auras/attack_bonus.png"
+}
Index: binaries/data/mods/public/simulation/data/auras/units/centurion_2.json
===================================================================
--- binaries/data/mods/public/simulation/data/auras/units/centurion_2.json
+++ binaries/data/mods/public/simulation/data/auras/units/centurion_2.json
@@ -0,0 +1,11 @@
+{
+	"type": "range",
+	"radius": 30,
+	"affects": ["Legionary"],
+	"modifications": [
+		{ "value": "UnitMotion/Walkspeed", "multiply": 1.1 }
+	],
+	"auraName": "Century Maneuvers",
+	"auraDescription": "Legionaries +10% movement speed.",
+	"overlayIcon": "art/textures/ui/session/auras/attack_bonus.png"
+}
Index: binaries/data/mods/public/simulation/data/technologies/roman_reforms.json
===================================================================
--- binaries/data/mods/public/simulation/data/technologies/roman_reforms.json
+++ binaries/data/mods/public/simulation/data/technologies/roman_reforms.json
@@ -0,0 +1,26 @@
+{
+	"genericName": "Marian Reforms",
+	"description": "Regularize the army into a professional, organized force.",
+        "cost": {
+                "food": 400,
+                "metal": 600
+        },
+        "researchTime": 60,
+	"requirements": {
+		"all": [
+			{ "tech": "phase_city" },
+			{ "civ": "rome" }
+		]
+	},
+	"requirementsTooltip": "Unlocked in City Phase.",
+	"icon": "shield_scutum.png",
+        "modifications":[
+                {
+                        "value": "Trainer/Entities/_string",
+                        "tokens": "-units/{civ}/infantry_swordsman_b -units/{civ}/infantry_spearman_b -units/{civ}/infantry_swordsman_a -units/{civ}/infantry_spearman_a"
+                }
+        ],
+        "affects": ["Structure"],
+	"tooltip": "Unlock the Legionary Unit and Train Centurions from the Fortress, but Infantry Spearmen and swordsmen become unavailable.",
+	"soundComplete": "interface/alarm/alarm_upgradearmory.xml"
+}
Index: binaries/data/mods/public/simulation/templates/structures/rome/army_camp.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/structures/rome/army_camp.xml
+++ binaries/data/mods/public/simulation/templates/structures/rome/army_camp.xml
@@ -113,6 +113,7 @@
       units/{civ}/infantry_swordsman_a
       units/{civ}/infantry_spearman_a
       units/{civ}/infantry_pikeman_a
+      units/{civ}/infantry_legionary
       units/{civ}/siege_ram
     </Entities>
   </Trainer>
Index: binaries/data/mods/public/simulation/templates/structures/rome/barracks.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/structures/rome/barracks.xml
+++ binaries/data/mods/public/simulation/templates/structures/rome/barracks.xml
@@ -11,6 +11,11 @@
     <Civ>rome</Civ>
     <SpecificName>Castrum</SpecificName>
   </Identity>
+  <Trainer>
+    <Entities datatype="tokens">
+      units/{civ}/infantry_legionary
+    </Entities>
+  </Trainer>
   <Obstruction>
     <Static width="22.0" depth="22.0"/>
   </Obstruction>
Index: binaries/data/mods/public/simulation/templates/structures/rome/fortress.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/structures/rome/fortress.xml
+++ binaries/data/mods/public/simulation/templates/structures/rome/fortress.xml
@@ -10,6 +10,7 @@
       units/{civ}/hero_marcellus
       units/{civ}/hero_maximus
       units/{civ}/hero_scipio
+      units/{civ}/infantry_swordsman_e_centurion
     </Entities>
   </Trainer>
   <VisualActor>
Index: binaries/data/mods/public/simulation/templates/template_structure_military_fortress.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/template_structure_military_fortress.xml
+++ binaries/data/mods/public/simulation/templates/template_structure_military_fortress.xml
@@ -86,6 +86,7 @@
       art_of_war
       poison_arrows
       poison_blades
+      roman_reforms
     </Technologies>
   </Researcher>
   <Sound>
Index: binaries/data/mods/public/simulation/templates/units/rome/champion_infantry_swordsman.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/units/rome/champion_infantry_swordsman.xml
+++ binaries/data/mods/public/simulation/templates/units/rome/champion_infantry_swordsman.xml
@@ -12,11 +12,23 @@
     <GenericName>Italic Heavy Infantry</GenericName>
     <SpecificName>Extrāōrdinārius</SpecificName>
     <SelectionGroupName>units/rome/champion_infantry_swordsman</SelectionGroupName>
-    <Icon>units/rome/champion_infantry.png</Icon>
     <Requirements>
-      <Techs datatype="tokens">-phase_city unlock_champion_infantry</Techs>
+      <Techs datatype="tokens">phase_city unlock_champion_infantry</Techs>
     </Requirements>
+    <Icon>units/rome/champion_infantry.png</Icon>
   </Identity>
+  <Upgrade>
+    <Centurion>
+      <Entity>units/rome/infantry_swordsman_e_centurion</Entity>
+      <Tooltip>Give this combat veteran the rank of Centurion.</Tooltip>
+      <Cost>
+        <food>40</food>
+        <metal>20</metal>
+      </Cost>
+      <Variant>upgrading</Variant>
+      <Time>12</Time>
+    </Centurion>
+  </Upgrade>
   <VisualActor>
     <Actor>units/romans/infantry_swordsman_c.xml</Actor>
   </VisualActor>
Index: binaries/data/mods/public/simulation/templates/units/rome/infantry_legionary.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/units/rome/infantry_legionary.xml
+++ binaries/data/mods/public/simulation/templates/units/rome/infantry_legionary.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Entity parent="template_unit_infantry_melee_swordsman">
+  <Builder>
+    <Entities datatype="tokens">
+      -structures/{civ}/civil_centre
+      -structures/{civ}/house
+      -structures/{civ}/storehouse
+      -structures/{civ}/farmstead
+      -structures/{civ}/field
+      -structures/{civ}/corral
+      -structures/{civ}/dock
+      -structures/{civ}/barracks
+      -structures/{civ}/stable
+      -structures/{civ}/temple
+      -structures/{civ}/market
+      -structures/{civ}/forge
+      units/rome/siege_onager
+      structures/rome/army_camp
+      -structures/{civ}/wonder
+    </Entities>
+  </Builder>
+  <Cost>
+    <Resources>
+      <metal op="add">5</metal>
+      <wood op="add">10</wood>
+    </Resources>
+  </Cost>
+  <Loot>
+    <metal op="add">2</metal>
+  </Loot>
+  <ResourceGatherer disable=""/>
+  <Identity>
+    <GenericName>Marian Legionary</GenericName>
+    <SpecificName>Legiōnārius</SpecificName>
+    <Rank>Elite</Rank>
+    <Icon>units/rome/champion_legion_imperial.png</Icon>
+    <VisibleClasses datatype="tokens">Legionary</VisibleClasses>
+    <Tooltip>Legionaries may be Trained after Researching Marian Reforms</Tooltip>
+    <Requirements>
+      <Techs datatype="tokens">phase_city roman_reforms</Techs>
+    </Requirements>
+  </Identity>
+  <Promotion disable=""/>
+  <VisualActor>
+    <Actor>units/romans/infantry_swordsman_c3.xml</Actor>
+  </VisualActor>
+</Entity>
Index: binaries/data/mods/public/simulation/templates/units/rome/infantry_swordsman_e_centurion.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/units/rome/infantry_swordsman_e_centurion.xml
+++ binaries/data/mods/public/simulation/templates/units/rome/infantry_swordsman_e_centurion.xml
@@ -4,14 +4,26 @@
     <Category>Centurion</Category>
   </TrainingRestrictions>
   <Auras datatype="tokens">
-    units/centurion
+    units/centurion_1
+    units/centurion_2
   </Auras>
+  <Cost>
+    <BuildTime op="mul">1.25</BuildTime>
+    <Resources>
+      <food op="add">40</food>
+      <metal op="add">20</metal>
+    </Resources>
+  </Cost>
   <Identity>
     <Civ>rome</Civ>
     <Lang>latin</Lang>
     <GenericName>Roman Centurion</GenericName>
     <SpecificName>Centuriō</SpecificName>
     <Icon>units/rome/champion_infantry_centurion.png</Icon>
+    <Tooltip>Centurions may be upgraded from melee infantry or trained after researching Marian Reforms.</Tooltip>
+    <Requirements>
+      <Techs datatype="tokens">roman_reforms</Techs>
+    </Requirements>
   </Identity>
   <VisualActor>
     <Actor>units/romans/infantry_swordsman_f.xml</Actor>