diff --git a/modules/phoenix/lua/quests/promotion_quest_block.lua b/modules/phoenix/lua/quests/promotion_quest_block.lua
new file mode 100644
index 00000000000..06310b8e2c5
--- /dev/null
+++ b/modules/phoenix/lua/quests/promotion_quest_block.lua
@@ -0,0 +1,34 @@
+-----------------------------------
+-- Module: Mercenary Promotion Block
+-- Currently blocking promotion past Lance Corporal. To be updated per Phoenix patch release.
+-- No Promotion: Captain block yet because the quest is not yet implemented, so it cannot be called.
+-----------------------------------
+require('modules/module_utils')
+-----------------------------------
+local m = Module:new('promotion_quest_block')
+
+-- Every quest in the chain, so a GM-flagged one goes nowhere either.
+local blockedQuests =
+{
+    'scripts/quests/ahtUrhgan/Promotion_Corporal',
+    'scripts/quests/ahtUrhgan/Promotion_Sergeant',
+    'scripts/quests/ahtUrhgan/Promotion_Sergeant_Major',
+    'scripts/quests/ahtUrhgan/Promotion_Chief_Sergeant',
+    'scripts/quests/ahtUrhgan/Promotion_Second_Lieutenant',
+    'scripts/quests/ahtUrhgan/Promotion_First_Lieutenant',
+}
+
+m:addOverride('xi.server.onServerStart', function()
+    super()
+
+    for _, questPath in ipairs(blockedQuests) do
+        xi.module.modifyInteractionEntry(questPath, function(quest)
+            -- Every section, not just the offer. First Lieutenant is offered by a trigger area with no NPC key.
+            for _, section in ipairs(quest.sections) do
+                section.check = function()
+                    return false
+                end
+            end
+        end)
+    end
+end)