diff --git a/public/games/age-of-dwarves/manifest.json b/public/games/age-of-dwarves/manifest.json
index c43f232e..7a8bb5f2 100644
--- a/public/games/age-of-dwarves/manifest.json
+++ b/public/games/age-of-dwarves/manifest.json
@@ -15,9 +15,9 @@
       "archer",
       "ballista_crew",
       "bard",
-      "battle_priest",
       "basilisk_wild",
       "battle_medic",
+      "battle_priest",
       "beacon_bearer",
       "berserker",
       "boar_scout",
@@ -64,16 +64,19 @@
       "dwarf_grand_scout",
       "dwarf_grand_smith",
       "dwarf_graven_warrior",
+      "dwarf_gyrocopter",
       "dwarf_hammerguard",
       "dwarf_high_engineer",
       "dwarf_high_sapper",
       "dwarf_high_smith",
+      "dwarf_iron_hawk",
       "dwarf_iron_submarine",
       "dwarf_iron_vanguard",
       "dwarf_ironwarden",
       "dwarf_master_engineer",
       "dwarf_master_woodcutter",
       "dwarf_mithril_cruiser",
+      "dwarf_mithril_hawk",
       "dwarf_mithril_vanguard",
       "dwarf_prospector",
       "dwarf_repeating_arbalest",
@@ -143,8 +146,8 @@
       "rune_scribe",
       "rune_spear",
       "runesmith",
-      "sage",
       "saga_singer",
+      "sage",
       "shambling_dead",
       "shield_bearer",
       "soulbolt",
diff --git a/public/resources/techs/agriculture.json b/public/resources/techs/agriculture.json
index 01808650..fb6969b8 100644
--- a/public/resources/techs/agriculture.json
+++ b/public/resources/techs/agriculture.json
@@ -47,7 +47,7 @@
       ],
       "units": [],
       "improvements": [
-        "irrigation_channel"
+        "irrigation"
       ],
       "lenses": [
         "moisture"
diff --git a/public/resources/techs/masonry.json b/public/resources/techs/masonry.json
index db6a9726..2ed0a54b 100644
--- a/public/resources/techs/masonry.json
+++ b/public/resources/techs/masonry.json
@@ -49,7 +49,7 @@
         "dwarf_engineer"
       ],
       "improvements": [
-        "stone_road"
+        "road"
       ]
     },
     "flavor": "A dwarf who cannot lay a straight wall is not yet a dwarf.",
@@ -81,7 +81,7 @@
       ],
       "units": [],
       "improvements": [
-        "fortress"
+        "fort"
       ]
     },
     "flavor": "They brought ten thousand. We brought walls.",
@@ -113,9 +113,7 @@
         "eternal_deeproads"
       ],
       "units": [],
-      "improvements": [
-        "bridge"
-      ],
+      "improvements": [],
       "mechanics": [
         {
           "key": "city_connection_roads",
diff --git a/public/resources/techs/natural_philosophy.json b/public/resources/techs/natural_philosophy.json
index 4b86d355..9b36a55b 100644
--- a/public/resources/techs/natural_philosophy.json
+++ b/public/resources/techs/natural_philosophy.json
@@ -85,8 +85,7 @@
       "buildings": [],
       "units": [],
       "improvements": [
-        "plantation",
-        "orchard"
+        "plantation"
       ],
       "lenses": [
         "tile_quality_full"
@@ -129,9 +128,7 @@
       "units": [
         "dwarf_river_galley"
       ],
-      "improvements": [
-        "fishing_boats"
-      ],
+      "improvements": [],
       "lenses": [
         "marine_health"
       ],
@@ -357,9 +354,7 @@
         "deep_cistern"
       ],
       "units": [],
-      "improvements": [
-        "aqueduct_channel"
-      ],
+      "improvements": [],
       "lenses": [
         "aquifer_mapping"
       ],
diff --git a/public/resources/units/dwarf_master_engineer.json b/public/resources/units/dwarf_master_engineer.json
index 4a449b02..a3890345 100644
--- a/public/resources/units/dwarf_master_engineer.json
+++ b/public/resources/units/dwarf_master_engineer.json
@@ -18,7 +18,7 @@
   "movement": 2,
   "vision": 2,
   "cost": 300,
-  "tech_required": "deep_engineering",
+  "tech_required": "total_war",
   "upgradeable_from": "dwarf_grand_engineer",
   "race_required": "dwarf",
   "faction": "dwarf",