diff --git a/common/patches/rof2.cpp b/common/patches/rof2.cpp
index 30941a1bf..114238d83 100644
--- a/common/patches/rof2.cpp
+++ b/common/patches/rof2.cpp
@@ -4389,6 +4389,19 @@ namespace RoF2
 		delete in;
 	}
 
+	ENCODE(OP_CrystalCountUpdate)
+	{
+		ENCODE_LENGTH_EXACT(CrystalCountUpdate_Struct);
+		SETUP_DIRECT_ENCODE(CrystalCountUpdate_Struct, structs::CrystalCountUpdate_Struct);
+
+		OUT(CurrentRadiantCrystals);
+		OUT(CareerRadiantCrystals);
+		OUT(CurrentEbonCrystals);
+		OUT(CareerEbonCrystals);
+
+		FINISH_ENCODE();
+	}
+
 // DECODE methods
 
 	DECODE(OP_AdventureMerchantSell)
diff --git a/common/patches/rof2_ops.h b/common/patches/rof2_ops.h
index b49784029..1ca7063f4 100644
--- a/common/patches/rof2_ops.h
+++ b/common/patches/rof2_ops.h
@@ -141,6 +141,7 @@ E(OP_ZoneEntry)
 E(OP_ZonePlayerToBind)
 E(OP_ZoneServerInfo)
 E(OP_ZoneSpawns)
+E(OP_CrystalCountUpdate)
 // Begin RoF Decodes
 D(OP_AdventureMerchantSell)
 D(OP_AltCurrencySell)
diff --git a/common/patches/rof2_structs.h b/common/patches/rof2_structs.h
index ed34d44b8..0b638660e 100644
--- a/common/patches/rof2_structs.h
+++ b/common/patches/rof2_structs.h
@@ -5081,6 +5081,15 @@ struct MercenaryMerchantResponse_Struct {
 /*0004*/
 };
 
+// Sent by Server to update character crystals.
+struct CrystalCountUpdate_Struct
+{
+	/*000*/	uint32	CurrentRadiantCrystals;
+	/*004*/	uint32	CareerRadiantCrystals;
+	/*008*/	uint32	CurrentEbonCrystals;
+	/*012*/	uint32	CareerEbonCrystals;
+};
+
 	}; /*structs*/
 
 }; /*RoF2*/