diff --git a/binaries/data/mods/public/art/textures/ui/session/portraits/units/cart_mechanical_siege_ballista.png b/binaries/data/mods/public/art/textures/ui/session/portraits/units/cart_mechanical_siege_ballista.png
new file mode 100644
index 0000000000..7fade89246
--- /dev/null
+++ b/binaries/data/mods/public/art/textures/ui/session/portraits/units/cart_mechanical_siege_ballista.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a0bf0f2c007ba19dd761923e98e0039fda3f1dde03141348cb3f2a94b95c0132
+size 23009
diff --git a/binaries/data/mods/public/maps/scenarios/Migration.pmp b/binaries/data/mods/public/maps/scenarios/Migration.pmp
new file mode 100644
index 0000000000..6dcb8597a6
--- /dev/null
+++ b/binaries/data/mods/public/maps/scenarios/Migration.pmp
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ff67d1b4605c3cb2a258127dd8d6766d78eff61c69597cf00f339e2a743c2722
+size 1025835
diff --git a/binaries/data/mods/public/maps/scenarios/Migration.xml b/binaries/data/mods/public/maps/scenarios/Migration.xml
new file mode 100644
index 0000000000..18c26bf713
--- /dev/null
+++ b/binaries/data/mods/public/maps/scenarios/Migration.xml
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bc193d29a8b181fdc86b1d923b09e52022f907914035af59079aa28487f0c87a
+size 647018
diff --git a/binaries/data/mods/public/simulation/templates/structures/cart_fortress.xml b/binaries/data/mods/public/simulation/templates/structures/cart_fortress.xml
index 0d63bc52d9..0e63ceb9ed 100644
--- a/binaries/data/mods/public/simulation/templates/structures/cart_fortress.xml
+++ b/binaries/data/mods/public/simulation/templates/structures/cart_fortress.xml
@@ -20,6 +20,7 @@
       units/cart_hero_maharbal
       units/cart_champion_cavalry
       units/cart_mechanical_siege_ballista
+      units/cart_mechanical_siege_oxybeles
     </Entities>
   </TrainingQueue>
   <VisualActor>
diff --git a/binaries/data/mods/public/simulation/templates/template_unit_mechanical_siege_ballista.xml b/binaries/data/mods/public/simulation/templates/template_unit_mechanical_siege_ballista.xml
index aaaf04719e..2743207e3c 100644
--- a/binaries/data/mods/public/simulation/templates/template_unit_mechanical_siege_ballista.xml
+++ b/binaries/data/mods/public/simulation/templates/template_unit_mechanical_siege_ballista.xml
@@ -12,7 +12,7 @@
       <Crush>25.0</Crush>
       <MaxRange>60</MaxRange>
       <MinRange>8.0</MinRange>
-      <ProjectileSpeed>50.0</ProjectileSpeed>
+      <ProjectileSpeed>60.0</ProjectileSpeed>
       <PrepareTime>5000</PrepareTime>
       <RepeatTime>3000</RepeatTime>
     </Ranged>
@@ -29,7 +29,7 @@
     <Max>200</Max>
   </Health>
   <Identity>
-    <GenericName>Siege Ballista</GenericName>
+    <GenericName>Bolt Shooter</GenericName>
     <Tooltip>Bonused vs. Infantry and Cavalry units.</Tooltip>
   </Identity>
   <Loot>
diff --git a/binaries/data/mods/public/simulation/templates/template_unit_mechanical_siege_onager.xml b/binaries/data/mods/public/simulation/templates/template_unit_mechanical_siege_onager.xml
index b54260ae96..2fac1cb531 100644
--- a/binaries/data/mods/public/simulation/templates/template_unit_mechanical_siege_onager.xml
+++ b/binaries/data/mods/public/simulation/templates/template_unit_mechanical_siege_onager.xml
@@ -28,7 +28,7 @@
     <Max>300</Max>
   </Health>
   <Identity>
-    <GenericName>Siege Onager</GenericName>
+    <GenericName>Siege Catapult</GenericName>
     <Tooltip>Bonused vs. Structures and Massed Infantry.</Tooltip>
   </Identity>
   <Loot>
diff --git a/binaries/data/mods/public/simulation/templates/units/cart_mechanical_siege_ballista.xml b/binaries/data/mods/public/simulation/templates/units/cart_mechanical_siege_ballista.xml
index 9057a062be..1f833e1cb5 100644
--- a/binaries/data/mods/public/simulation/templates/units/cart_mechanical_siege_ballista.xml
+++ b/binaries/data/mods/public/simulation/templates/units/cart_mechanical_siege_ballista.xml
@@ -7,14 +7,11 @@
   <Identity>
     <Civ>cart</Civ>
     <SpecificName>Ballista</SpecificName>
-    <Icon>units/hele_mechanical_siege_lithobolos.png</Icon>
+    <Icon>units/cart_mechanical_siege_ballista.png</Icon>
   </Identity>
   <Obstruction>
     <Unit radius="3.5"/>
   </Obstruction>
-  <Vision>
-    <Range>84</Range>
-  </Vision>
   <VisualActor>
     <Actor>units/carthaginians/siege_rock.xml</Actor>
   </VisualActor>
diff --git a/binaries/data/mods/public/simulation/templates/units/cart_mechanical_siege_oxybeles.xml b/binaries/data/mods/public/simulation/templates/units/cart_mechanical_siege_oxybeles.xml
new file mode 100644
index 0000000000..073a1bb438
--- /dev/null
+++ b/binaries/data/mods/public/simulation/templates/units/cart_mechanical_siege_oxybeles.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Entity parent="template_unit_mechanical_siege_ballista">
+  <Footprint replace="">
+    <Square width="5.0" depth="5.5"/>
+    <Height>2.0</Height>
+  </Footprint>
+  <Identity>
+    <Civ>cart</Civ>
+    <SpecificName>Oxybeles</SpecificName>
+    <Icon>units/hele_mechanical_siege_oxybeles.png</Icon>
+  </Identity>
+  <Obstruction>
+    <Unit radius="3.0"/>
+  </Obstruction>
+  <VisualActor>
+    <Actor>units/hellenes/siege_spear.xml</Actor>
+  </VisualActor>
+</Entity>