diff --git a/Compatibility/pfUI.lua b/Compatibility/pfUI.lua
index 981720f..91d276c 100644
--- a/Compatibility/pfUI.lua
+++ b/Compatibility/pfUI.lua
@@ -124,7 +124,7 @@ function Extension.HookPfUILibdebuff()
 
     -- Check if pfUI 7.6+ with GetUnitField-based libdebuff is active
     -- If so, pfUI handles combo durations and Carnage internally - we only override on mismatch
-    local hasPfUI76 = CleveRoids.hasPfUI76 or (pfUI.libdebuff_slot_ownership ~= nil)
+    local hasPfUI76 = CleveRoids.hasPfUI76
 
     -- pfUI 7.6+ handles all durations internally - no hooks needed
     if hasPfUI76 then
@@ -351,7 +351,7 @@ function Extension.SyncComboDurationToPfUI(guid, spellID, duration)
     end
 
     -- pfUI 7.6+ handles all durations internally
-    if CleveRoids.hasPfUI76 or (pfUI.libdebuff_slot_ownership ~= nil) then
+    if CleveRoids.hasPfUI76 then
         return
     end
 
diff --git a/Core.lua b/Core.lua
index d532238..d023924 100644
--- a/Core.lua
+++ b/Core.lua
@@ -809,10 +809,10 @@ function CleveRoids.TestForActiveAction(actions)
                 if action.sequence then
                     newSequence = action.sequence
                     newActiveAction = CleveRoids.GetCurrentSequenceAction(newSequence)
-                    -- Check if current step is null/pass/noop - if so, skip this sequence for icon
+                    -- Check if current step is a stop step - if so, skip this sequence for icon
                     if newActiveAction and newActiveAction.action then
                         local stepLower = string.lower(CleveRoids.Trim(newActiveAction.action))
-                        if stepLower == "null" or stepLower == "pass" or stepLower == "noop" then
+                        if stepLower == "nil" or stepLower == "null" or stepLower == "pass" or stepLower == "noop" then
                             hasActive = false
                             newActiveAction = nil
                             newSequence = nil
@@ -3693,15 +3693,15 @@ function CleveRoids.DoCastSequence(sequence)
     ))
   end
 
-  -- Check for "null" step - does nothing, allows macro to fall through
-  -- Usage: /castsequence reset=target Sunder Armor, null
+  -- Check for stop steps - does nothing, allows macro to fall through
+  -- Sequence stays on this step until a reset condition fires (target/combat/time/modifier)
+  -- Usage: /castsequence reset=target Sunder Armor, nil
   local actionLower = string.lower(CleveRoids.Trim(active.action))
-  if actionLower == "null" or actionLower == "pass" or actionLower == "noop" then
-    -- Update sequence state (so per-target tracking works)
+  if actionLower == "nil" or actionLower == "null" or actionLower == "pass" or actionLower == "noop" then
     sequence.status = 0
     sequence.lastUpdate = GetTime()
     if CleveRoids.debug then
-      DEFAULT_CHAT_FRAME:AddMessage("|cff00ffff[Sequence]|r Hit null step, falling through")
+      DEFAULT_CHAT_FRAME:AddMessage("|cff00ffff[Sequence]|r Hit stop step, falling through")
     end
     -- Don't cast anything, just return - allows macro to continue to next line
     return
diff --git a/Init.lua b/Init.lua
index 61e41e4..e6feef2 100644
--- a/Init.lua
+++ b/Init.lua
@@ -42,7 +42,7 @@ CleveRoids.spell_tracking = {}
 -- Format: [casterGuid] = {spellID, spellName, icon, startTime, duration, endTime}
 CleveRoids.castTracking = {}
 
--- pfUI 7.6+ with Nampower 2.27.2+ detected (GUID-based cast tracking available)
+-- pfUI 7.6+ with Nampower 2.31.0+ detected (GUID-based cast tracking available)
 CleveRoids.hasPfUI76 = false
 
 -- Combo point tracking (initialized early for /cast hook)
diff --git a/Utility.lua b/Utility.lua
index fc28e8e..2f4c612 100644
--- a/Utility.lua
+++ b/Utility.lua
@@ -702,7 +702,7 @@ function lib:HasEnhancedPfUILibdebuff()
   end
 
   -- Verify Nampower version based on pfUI version:
-  -- - pfUI 7.6+ (GetUnitField edition): requires Nampower v2.27.2+
+  -- - pfUI 7.6+ (GetUnitField edition): requires Nampower v2.31.0+
   -- - pfUI 7.4.3 to 7.5.x (legacy): requires Nampower v2.26+
   if not GetNampowerVersion then return false end
   local npMajor, npMinor, npPatch = GetNampowerVersion()
@@ -712,10 +712,9 @@ function lib:HasEnhancedPfUILibdebuff()
   local isPfUI76 = pfUI.libdebuff_slot_ownership ~= nil
 
   if isPfUI76 then
-    -- pfUI 7.6+ requires Nampower v2.27.2+
+    -- pfUI 7.6+ requires Nampower v2.31.0+
     if npMajor < 2 then return false end
-    if npMajor == 2 and npMinor < 27 then return false end
-    if npMajor == 2 and npMinor == 27 and npPatch < 2 then return false end
+    if npMajor == 2 and npMinor < 31 then return false end
   else
     -- Legacy pfUI 7.4.3-7.5.x requires Nampower v2.26+
     if npMajor < 2 or (npMajor == 2 and npMinor < 26) then return false end
@@ -733,7 +732,7 @@ function lib:HasEnhancedPfUILibdebuff()
 end
 
 -- Check if pfUI v7.6+ with enhanced cast tracking is available
--- pfUI 7.6 requires Nampower v2.27.2+ and exposes additional tables
+-- pfUI 7.6 requires Nampower v2.31.0+ and exposes additional tables
 function lib:HasPfUI76()
   if not pfUI then return false end
 
@@ -744,13 +743,12 @@ function lib:HasPfUI76()
   if v.major < 7 then return false end
   if v.major == 7 and (v.minor or 0) < 6 then return false end
 
-  -- Verify Nampower v2.27.2+ (pfUI 7.6 hard requirement)
+  -- Verify Nampower v2.31.0+ (pfUI 7.6 hard requirement)
   if not GetNampowerVersion then return false end
   local npMajor, npMinor, npPatch = GetNampowerVersion()
   npPatch = npPatch or 0
   if npMajor < 2 then return false end
-  if npMajor == 2 and npMinor < 27 then return false end
-  if npMajor == 2 and npMinor == 27 and npPatch < 2 then return false end
+  if npMajor == 2 and npMinor < 31 then return false end
 
   -- Verify the new tables exist
   if not pfUI.libdebuff_casts then return false end