diff --git a/common/eq_packet_structs.h b/common/eq_packet_structs.h
index 8b8949255..26ef0bee9 100644
--- a/common/eq_packet_structs.h
+++ b/common/eq_packet_structs.h
@@ -280,7 +280,7 @@ union
 								// horse: 0=brown, 1=white, 2=black, 3=tan
 };
 /*0340*/ uint32 spawnId;		// Spawn Id
-/*0344*/ uint8 unknown0344[3];
+/*0344*/ float bounding_radius; // used in melee, overrides calc
 /*0347*/ uint8 IsMercenary;
 /*0348*/ EQEmu::TintProfile equipment_tint;
 /*0384*/ uint8	lfg;			// 0=off, 1=lfg on
diff --git a/common/patches/rof2_structs.h b/common/patches/rof2_structs.h
index ecc288a35..c516929f4 100644
--- a/common/patches/rof2_structs.h
+++ b/common/patches/rof2_structs.h
@@ -430,7 +430,7 @@ struct Spawn_Struct
 /*0000*/ //uint8     nullterm1; // hack to null terminate name
 /*0064*/ uint32 spawnId;
 /*0068*/ uint8  level;
-/*0069*/ float    unknown1;
+/*0069*/ float  bounding_radius; // used in melee, overrides calc
 /*0073*/ uint8  NPC;           // 0=player,1=npc,2=pc corpse,3=npc corpse
 	 Spawn_Struct_Bitfields	Bitfields;
 /*0000*/ uint8  otherData; // & 4 - has title, & 8 - has suffix, & 1 - it's a chest or untargetable
diff --git a/common/patches/rof_structs.h b/common/patches/rof_structs.h
index bd9cbbce9..db52827b9 100644
--- a/common/patches/rof_structs.h
+++ b/common/patches/rof_structs.h
@@ -408,7 +408,7 @@ struct Spawn_Struct
 /*0000*/ //uint8     nullterm1; // hack to null terminate name
 /*0064*/ uint32 spawnId;
 /*0068*/ uint8  level;
-/*0069*/ float    unknown1;
+/*0069*/ float  bounding_radius; // used in melee, overrides calc
 /*0073*/ uint8  NPC;           // 0=player,1=npc,2=pc corpse,3=npc corpse
 	 Spawn_Struct_Bitfields	Bitfields;
 /*0000*/ uint8  otherData; // & 4 - has title, & 8 - has suffix, & 1 - it's a chest or untargetable
diff --git a/common/patches/sod_structs.h b/common/patches/sod_structs.h
index 76635108d..1000cb5a3 100644
--- a/common/patches/sod_structs.h
+++ b/common/patches/sod_structs.h
@@ -292,7 +292,7 @@ struct Spawn_Struct
 /*0000*/ //uint8     nullterm1; // hack to null terminate name
 /*0064*/ uint32 spawnId;
 /*0068*/ uint8  level;
-/*0069*/ float    unknown1;
+/*0069*/ float  bounding_radius; // used in melee, overrides calc
 /*0073*/ uint8  NPC;           // 0=player,1=npc,2=pc corpse,3=npc corpse
 	 Spawn_Struct_Bitfields	Bitfields;
 /*0000*/ uint8  otherData; // & 4 - has title, & 8 - has suffix, & 1 - it's a chest or untargetable
diff --git a/common/patches/sof_structs.h b/common/patches/sof_structs.h
index ca1c93ed2..f6298f41d 100644
--- a/common/patches/sof_structs.h
+++ b/common/patches/sof_structs.h
@@ -326,7 +326,8 @@ union
 /*0725*/ uint8  targetable;			// 1 = Targetable 0 = Not Targetable (is_npc?)
 /*0726*/ uint8  unknown0726[4];
 /*0730*/ uint8  NPC;				// 0=player,1=npc,2=pc corpse,3=npc corpse
-/*0731*/ uint8  unknown0731[11];
+/*0731*/ float  bounding_radius;	// used in melee, overrides calc
+/*0735*/ uint8  unknown0731[7];
 /*0742*/ uint8	targetable_with_hotkey;
 /*0743*/ signed   padding00:12;		// ***Placeholder
 		 signed   x:19;				// x coord
diff --git a/common/patches/titanium_structs.h b/common/patches/titanium_structs.h
index 41f029c8d..3a2787500 100644
--- a/common/patches/titanium_structs.h
+++ b/common/patches/titanium_structs.h
@@ -327,7 +327,7 @@ union
                                   // horse: 0=brown, 1=white, 2=black, 3=tan
 };
 /*0340*/ uint32 spawnId;        // Spawn Id
-/*0344*/ uint8 unknown0344[4];
+/*0344*/ float bounding_radius; // used in melee, overrides calc
 /*0348*/ TintProfile equipment_tint;
 /*0384*/ uint8  lfg;            // 0=off, 1=lfg on
 /*0385*/
diff --git a/common/patches/uf_structs.h b/common/patches/uf_structs.h
index b10e3a3dd..256169d67 100644
--- a/common/patches/uf_structs.h
+++ b/common/patches/uf_structs.h
@@ -292,7 +292,7 @@ struct Spawn_Struct
 /*0000*/ //uint8     nullterm1; // hack to null terminate name
 /*0064*/ uint32 spawnId;
 /*0068*/ uint8  level;
-/*0069*/ float    unknown1;
+/*0069*/ float  bounding_radius; // used in melee, overrides calc
 /*0073*/ uint8  NPC;           // 0=player,1=npc,2=pc corpse,3=npc corpse
 	 Spawn_Struct_Bitfields	Bitfields;
 /*0000*/ uint8  otherData; // & 4 - has title, & 8 - has suffix, & 1 - it's a chest or untargetable