4.06. Opcodes

Game Packets

Opcode	Packet Name	Description
0x00	PKT_Dummy	Unused.
0x01	PKT_SPM_HierarchicalProfilerUpdate	Unused.
0x02	PKT_S2C_DisplayLocalizedTutorialChatText	Unused?
0x03	PKT_Barrack_SpawnUnit
0x04	PKT_S2C_SwitchNexusesToOnIdleParticles
0x05	PKT_C2S_TutorialAudioEventFinished
0x06	PKT_S2C_SetCircularMovementRestriction	Restricts camera movement
0x07	PKT_UpdateGoldRedirectTarget
0x08	PKT_SynchSimTimeC2S
0x09	PKT_RemoveItemReq
0x0A	PKT_ResumePacket	Unpauses the game
0x0B	PKT_RemoveItemAns	Removes the item from inventory
0x0C	PKT_Basic_Attack	Contains data of next autoattack (will it crit etc)
0x0D	PKT_S2C_ReplaceObjectiveText	Changes content of the message box at top
0x0E	PKT_S2C_CloseShop
0x0F	PKT_S2C_Reconnect	Reconnection.
0x10	PKT_UnitAddEXP	Adds XP
0x11	PKT_S2C_EndSpawn
0x12	PKT_SetFrequency	Sets the speed of the game
0x13	PKT_S2C_BotAI	Changes AI States.
0x14	PKT_C2S_QueryStatusReq
0x15	PKT_NPC_UpgradeSpellAns	Levels up a skill
0x16	PKT_C2S_Ping_Load_Info
0x17	PKT_ChangeSlotSpellData	Changes the spell (Lee Sin's spells etc.)
0x18	PKT_NPC_MessageToClient	Adds floating text onto champions (Undying Rage etc.)
0x19	PKT_DisplayFloatingText
0x1A	PKT_Basic_Attack_Pos	This packet is sent to begin doing auto attack animation
0x1B	PKT_NPC_ForceDead
0x1C	PKT_NPC_BuffUpdateCount	Edits time/stacks of the buff
0x1D	PKT_C2S_WriteNavFlags_Acc
0x1E	PKT_NPC_BuffReplaceGroup
0x1F	PKT_NPC_SetAutocast
0x20	PKT_SwapItemReq
0x21	PKT_NPC_Die_EventHistory
0x22	PKT_UnitAddGold	Gives gold
0x23	PKT_AddRegion
0x24	PKT_S2C_MoveRegion
0x25	PKT_S2C_MoveCameraToPoint	Moves the camera, used at the end of the game and recall
0x26	PKT_S2C_LineMissileHitList
0x27	PKT_S2C_MuteVolumeCategory	Can mute all or single sound categories
0x28	PKT_ServerTick
0x29	PKT_S2C_StopAnimation
0x2A	PKT_AvatarInfo_Server
0x2B	PKT_DampenerSwitchStates	Inhibitor State (destroyed or alive)
0x2C	PKT_World_SendCamera_Server_Acknologment
0x2D	PKT_S2C_ModifyDebugCircleRadius	unused
0x2E	PKT_World_SendCamera_Server
0x2F	PKT_HeroReincarnateAlive	Respawns the champion
0x30	PKT_NPC_BuffReplace
0x31	PKT_Pause
0x32	PKT_SetFadeOut_Pop
0x33	PKT_RemoveRegion
0x34	PKT_NPC_InstantStop_Attack	The unit this packet is sent to stops doing auto attack animation
0x35	PKT_OnLeaveLocalVisiblityClient	Removes the object
0x36	PKT_S2C_ShowObjectiveText	Shows a message box at the top.
0x37	PKT_CHAR_SpawnPet
0x38	PKT_FX_Kill
0x39	PKT_NPC_UpgradeSpellReq
0x3A	PKT_UseObjectC2S
0x3B	PKT_MissileReplication	Spawns a projectile
0x3C	PKT_MovementDriverReplication
0x3D	PKT_S2C_HighlightHUDElement
0x3E	PKT_SwapItemAns	Swaps the items in hero's inventory
0x3F	PKT_NPC_LevelUp	Levels up the unit
0x40	PKT_S2C_MapPing	Warning pings (default button G/V)
0x41	PKT_S2C_WriteNavFlags
0x42	PKT_S2C_PlayEmote	ctrl + 1/2/3/4
0x43	PKT_S2C_PlaySound
0x44	PKT_S2C_PlayVOCommand
0x45	PKT_S2C_OnEventWorld	Announces the event
0x46	PKT_S2C_HeroStats	Notifies HeroStats (which are mostly used for end-game stats)
0x47	PKT_C2S_UpdateGameOptions
0x48	PKT_C2S_PlayEmote
0x49	PKT_C2S_PlayVOCommand
0x4A	PKT_HeroReincarnate
0x4B	PKT_C2S_OnScoreBoardOpened
0x4C	PKT_S2C_CreateHero
0x4D	PKT_SPM_AddMemoryListener	Unused
0x4E	PKT_SPM_AddMemoryListener	Unused
0x4F	PKT_S2C_ToggleUIHighlight
0x50	PKT_S2C_FaceDirection	Changes the direction unit is facing
0x51	PKT_OnLeaveVisiblityClient	Removes object from map
0x52	PKT_C2S_ClientReady
0x53	PKT_SetItem
0x54	PKT_SynchVersionS2C	Called in loading screen, checks version
0x55	PKT_S2C_HandleTipUpdate	Shows a blue tip at right top corner
0x56	PKT_C2S_StatsUpdateReq
0x57	PKT_C2S_MapPing	Sent by client to request a warning ping
0x58	PKT_S2C_RemoveDebugObject	Unused
0x59	PKT_S2C_CreateUnitHighlight	Highlights unit
0x5A	PKT_S2C_DestroyClientMissile	Destroys the projectile
0x5B	PKT_S2C_SetSpellLevel
0x5C	PKT_S2C_StartGame	Called when loading screen is over
0x5D	PKT_C2S_OnShopOpened
0x5E	PKT_NPC_Hero_Die
0x5F	PKT_S2C_FadeOutMainSFX
0x60	PKT_S2C_PlayThemeMusic
0x61	PKT_WaypointGroup
0x62	PKT_S2C_StartSpawn
0x63	PKT_S2C_CreateNeutral
0x64	PKT_WaypointGroupWithSpeed	Used for dashing
0x65	PKT_UnitApplyDamage	Does damage
0x66	PKT_ModifyShield	Grants shields
0x67	PKT_S2C_PopCharacterData
0x68	PKT_NPC_BuffAddGroup
0x69	PKT_S2C_AI_TargetSelection
0x6A	PKT_AI_TargetS2C
0x6B	PKT_S2C_SetAnimStates	Switches unit's walking animation
0x6C	PKT_S2C_ChainMissileSync
0x6D	PKT_C2S_OnTipEvent	Sent to server when client clicks on a tip
0x6E	PKT_S2C_ForceCreateMissile	Same as spawnprojectile, but happens when projectile exits FoW
0x6F	PKT_BuyItemAns
0x70	PKT_S2C_SetSpellData
0x71	PKT_S2C_PauseAnimation	Freezes animation (Zhonya, being ascended etc.)
0x72	PKT_NPC_IssueOrderReq
0x73	PKT_S2C_CameraBehavior
0x74	PKT_S2C_AnimatedBuildingSetCurrentSkin
0x75	PKT_Connected
0x76	PKT_SyncSimTimeFinalS2C
0x77	PKT_Waypoint_Acc
0x78	PKT_S2C_LockCamera
0x79	PKT_S2C_PlayVOAudioEvent
0x7A	PKT_AI_Command
0x7B	PKT_NPC_BuffRemove2	Removes the buff
0x7C	PKT_SpawnMinionS2C
0x7D	PKT_Unused125	Unused, as the name implies
0x7E	PKT_S2C_ToggleFoW	Toggles global Fog of War
0x7F	PKT_S2C_ToolTipVars	Sets tooltip variables
0x80	PKT_Unused128	Unused, as the name implies
0x81	PKT_World_LockCamera_Server
0x82	PKT_BuyItemReq
0x83	PKT_WaypointListHeroWithSpeed
0x84	PKT_S2C_SetInputLockFlag
0x85	PKT_CHAR_SetCooldown	Sets the cooldown
0x86	PKT_CHAR_CancelTargetingReticle
0x87	PKT_FX_Create_Group	Spawns a particle at specified unit/coordinates
0x88	PKT_S2C_QueryStatusAns
0x89	PKT_Building_Die	Called when inhibitor and nexus is destroyed
0x8A	PKT_S2C_PreloadCharacterData
0x8B	PKT_SPM_RemoveListener	Unused
0x8C	PKT_S2C_HandleQuestUpdate	Shows a guest at right top corner
0x8D	PKT_C2S_ClientFinished
0x8E	PKT_SPM_RemoveMemoryListener	Unused
0x8F	PKT_C2S_Exit	Sent when client closes
0x90	PKT_S2C_ModifyDebugObjectColor
0x91	PKT_SPM_AddListener	Unused
0x92	PKT_World_SendGameNumber
0x93	PKT_SetPARState	Sets PAR State (i.e. between Yasuo's gray (charging) and white (charged) state)
0x94	PKT_NPC_BuffRemoveGroup
0x95	PKT_S2C_Ping_Load_Info	Called in loading screen, gets ping info
0x96	PKT_S2C_ChangeCharacterVoice
0x97	PKT_S2C_ChangeCharacterData	Called when char data is updated
0x98	PKT_S2C_Exit
0x99	PKT_SPM_RemoveBBProfileListener	Unused
0x9A	PKT_NPC_CastSpellReq
0x9B	PKT_S2C_ToggleInputLockFlag
0x9C	PKT_C2S_SoftReconnect
0x9D	PKT_S2C_CreateTurret	Spawns turrets
0x9E	PKT_NPC_Die
0x9F	PKT_UseItemAns
0xA0	PKT_S2C_ShowAuxiliaryText	Shows a message box at the right
0xA1	PKT_PausePacket	Pauses the game
0xA2	PKT_S2C_HideObjectiveText	Removes the message box at the top
0xA3	PKT_OnEvent	Announces the event
0xA4	PKT_C2S_TeamSurrenderVote
0xA5	PKT_S2C_TeamSurrenderStatus	Shows the result of surrender vote
0xA6	PKT_SPM_AddBBProfileListener	Unused
0xA7	PKT_S2C_HideAuxiliaryText	Removes the message box at the right
0xA8	PKT_OnReplication_Acc
0xA9	PKT_S2C_SetGreyscaleEnabledWhenDead
0xAA	PKT_S2C_AI_State
0xAB	S2C_SetFoWStatus	Toggles FoW
0xAC	PKT_ReloadScripts
0xAD	PKT_Cheat
0xAE	PKT_OnEnterLocalVisiblityClient	Changes HP
0xAF	PKT_SendSelectedObjID
0xB0	PKT_S2C_PlayAnimation	Champion does the animation
0xB1	PKT_S2C_RefreshAuxiliaryText	Edits the content of the message box at the right
0xB2	PKT_SetFadeOut_Push	Changes transparency of your model, called when you go invisible
0xB3	PKT_S2C_OpenTutorialPopup	The "Press OK to continue" window at the tutorial with changeable text
0xB4	PKT_S2C_RemoveUnitHighlight	Removes the highlight of the highlighted unit
0xB5	PKT_NPC_CastSpellAns
0xB6	PKT_SPM_HierarchicalBBProfileUpdate	Unused
0xB7	PKT_NPC_BuffAdd2	Adds buff
0xB8	PKT_S2C_OpenAFKWarningMessage	The AFK window, which is shown when you dont do something for 2 minutes.
0xB9	PKT_WaypointList
0xBA	PKT_OnEnterVisiblityClient	Spawns an object
0xBB	PKT_S2C_AddDebugObject	Unused
0xBC	PKT_S2C_DisableHUDForEndOfGame	Hides UI, called when game ends
0xBD	PKT_SynchVersionC2S
0xBE	PKT_C2S_CharSelected
0xBF	PKT_NPC_BuffUpdateCountGroup
0xC0	PKT_AI_TargetHeroS2C
0xC1	PKT_S2C_GameTimer
0xC2	PKT_SynchSimTimeS2C
0xC3	PKT_SyncMissionStartTimeS2C
0xC4	PKT_S2C_Neutral_Camp_Empty
0xC5	PKT_OnReplication
0xC6	PKT_S2C_EndGame	Ends the game
0xC7	PKT_SPM_SamplingProfilerUpdate	Unused
0xC8	PKT_S2C_PopAllCharacterData
0xC9	PKT_S2C_TeamSurrenderVote
0xCA	PKT_S2C_HandleUIHighlight
0xCB	PKT_S2C_FadeMinions
0xCC	PKT_C2S_OnTutorialPopupClosed
0xCD	PKT_C2S_OnQuestEvent
0xCE	PKT_S2C_ShowHealthBar
0xCF	PKT_SpawnBotS2C
0xD0	PKT_SpawnLevelPropS2C
0xD1	PKT_UpdateLevelPropS2C
0xD2	PKT_AttachFlexParticleS2C
0xD3	PKT_S2C_HandleCapturePointUpdate
0xD4	PKT_S2C_HandleGameScore
0xD5	PKT_S2C_HandleRespawnPointUpdate
0xD6	PKT_C2S_OnRespawnPointEvent
0xD7	PKT_S2C_UnitChangeTeam	Changes team (Ex. Dominion Turrets)
0xD8	PKT_S2C_UnitSetMinimapIcon
0xD9	PKT_S2C_IncrementPlayerScore
0xDA	PKT_S2C_IncrementPlayerStat
0xDB	PKT_S2C_ColorRemapFX	Tints your screen when you go stealth, can also be used with various colors
0xDC	PKT_S2C_InteractiveMusicCommand
0xDD	PKT_Unused221	Unused, as the name implies
0xDE	PKT_Unused222	Unused, as the name implies
0xDF	PKT_Unused223	Unused, as the name implies
0xE0	PKT_S2C_OnEnterTeamVisiblity
0xE1	PKT_S2C_OnLeaveTeamVisiblity
0xE2	PKT_S2C_FX_OnEnterTeamVisiblity	Unused??
0xE3	PKT_S2C_FX_OnLeaveTeamVisiblity
0xE4	PKT_ReplayOnly_GoldEarned
0xE5	PKT_S2C_CloseClient	Shuts down your client
0xE6	PKT_C2S_SpellChargeUpdateReq
0xE7	PKT_S2C_ModifyDebugText	Unused
0xE8	PKT_S2C_SetDebugHidden	Unused
0xE9	PKT_S2C_ActivateMinionCamp
0xEA	PKT_C2S_SpectatorDataReq
0xEB	PKT_S2C_SpectatorMetaData
0xEC	PKT_S2C_SpectatorDataChunkInfo
0xED	PKT_S2C_SpectatorDataChunk
0xEE	PKT_S2C_ChangeMissileTarget
0xEF	PKT_S2C_MarkOrSweepForSoftReconnect
0xF0	PKT_S2C_SetShopEnabled
0xF1	PKT_S2C_CreateFollowerObject
0xF2	PKT_S2C_ReattachFollowerObject
0xF3	PKT_S2C_PlayContextualEmote
0xF4	PKT_C2S_PlayContextualEmote
0xF5	PKT_S2C_SetHoverIndicatorTarget
0xF6	PKT_S2C_SetHoverIndicatorEnabled
0xF7	PKT_S2C_SystemMessage	Shows the message in the chatbox
0xF8	PKT_S2C_ChangeEmitterGroup
0xF9	PKT_S2C_UpdateRestrictedChatCount
0xFA	PKT_S2C_TeamBalanceVote
0xFB	PKT_C2S_TeamBalanceVote
0xFC	PKT_S2C_TeamBalanceStatus
0xFD	PKT_S2C_SetItemCharges
0xFE	PKT_ExtendedPacket	Because Riot used byte headers, they use this one for later added packets
0xFF	PKT_Batched	Has more than one packet inside of it
0x100	PKT_SpawnMarkerS2C
0x101	PKT_S2C_UnitSetAutoAttackGroundAllowed
0x102	PKT_S2C_UnitSetShowAutoAttackIndicator
0x103	PKT_S2C_AnimationUpdateTimeStep
0x104	PKT_S2C_UnitSetSpellPARCost
0x105	PKT_S2C_UnitSetDrawPathMode
0x106	PKT_C2S_UnitSendDrawPath
0x107	PKT_S2C_AmmoUpdate
0x108	PKT_S2C_UnitSetCursorReticle
0x109	PKT_NPC_BuffUpdateNumCounter
0x10A	PKT_C2S_UndoItemReq
0x10B	PKT_S2C_SetUndoEnabled
0x10C	PKT_S2C_SetInventory
0x10D	PKT_S2C_ChangeMissileSpeed
0x10E	PKT_S2C_SetCanSurrender
0x10F	PKT_S2C_UnitSetLookAt
0x110	PKT_S2C_DestroyUnit
0x111	PKT_S2C_UnitSetSpellLevelOverrides
0x112	PKT_S2C_UnitSetMaxLevelOverride
0x113	PKT_S2C_UnitSetPARType
0x114	PKT_S2C_MoveMarker
0x115	PKT_ReplayOnly_MultiKillCountUpdate
0x116	PKT_S2C_NeutralMinionTimerUpdate
0x117	PKT_S2C_UpdateDeathTimer
0x118	PKT_S2C_UpdateSpellToggle
0x119	PKT_S2C_UpdateBounceMissile
0x11A	PKT_S2C_DebugLogGoldSources
0x11B	PKT_C2S_CheatLogGoldSources	Unused
0x11C	PKT_S2C_ShopItemSubstitutionSet
0x11D	PKT_S2C_ShopItemSubstitutionClear
0x11E	PKT_S2C_ResetClient	Unused
0x11F	PKT_S2C_IncrementMinionKills
0x120	PKT_S2C_UpdateAttackSpeedCapOverrides
0x121	PKT_S2C_NotifyContextualSituation
0x122	PKT_S2C_CreateMinionCamp
0x123	PKT_S2C_SpawnTurret
0x124	PKT_S2C_UpdateAscended
0x125	PKT_S2C_ChangeSpell_OwnerOnly	4.18+
0x126	PKT_S2C_Die_MapView	4.18+
0x127	PKT_S2C_SetInventory_MapView	4.18+
0x128	PKT_S2C_FloatingText2	4.18+
0x129	PKT_S2C_ForceTargetSpell	4.18+
0x12A	PKT_S2C_StopForceTargetSpell	4.18+
0x12B	PKT_S2C_Guessed_LockCamera	4.18+
0x12C	PKT_UNK_0x12C	4.18+
0x12D	PKT_S2C_SetFadeOut	4.18+
0x12E	PKT_UNK_0x12E	4.18+
0x12F	PKT_S2C_UnlockAnimation	4.18+

Payload Packets

Opcode	Packet Name	Description
0x64	EPM_RequestJoinTeam
0x65	EPM_RequestReskin
0x66	EPM_RequestRename
0x67	EPM_TeamRosterUpdate
0x68	EPM_Chat
0x69	EPM_QuickChat