diff --git a/PKHeX.Core/Saves/Access/SaveBlockAccessor9SV.cs b/PKHeX.Core/Saves/Access/SaveBlockAccessor9SV.cs
index 901efa0d0..1a94790c5 100644
--- a/PKHeX.Core/Saves/Access/SaveBlockAccessor9SV.cs
+++ b/PKHeX.Core/Saves/Access/SaveBlockAccessor9SV.cs
@@ -565,10 +565,12 @@ public SaveBlockAccessor9SV(SAV9SV sav)
     private const uint FSYS_RAID_DIFFICTLTY5_SURVEY = 0x48A247BA;
     private const uint FSYS_RAID_DIFFICTLTY6_SURVEY = 0xAD1DC231;
     private const uint FSYS_NETCONTENTS_OFF = 0x9AB093F2;
-
-    private const uint FSYS_VIVILLON = 0x22F70BCF; // real name todo
+    
     private const uint FSYS_GO_LINK_ENABLED = 0x3ABC21E3; // real name todo
-    private const uint KGoTransfer = 0x7EE0A576;
+    private const uint KGOTransfer = 0x7EE0A576;
+    private const uint KGOVivillonForm = 0x22F70BCF; // FSYS_VIVILLON
+    private const uint KGOVivillonFormEnabled = 0x0C125D5C;
+    private const uint KGOVivillonExpiration = 0x867F0240; // Unix time stamp for when Vivillon resets to default form
 
     #endregion