# C1 1B - MagicEffectCancelRequest (by client) ## Is sent when A player cancels a specific magic effect of a skill, usually 'Infinity Arrow' and 'Wizardry Enhance'. ## Causes the following actions on the server side The effect is cancelled and an update is sent to the player and all surrounding players. ## Structure | Index | Length | Data Type | Value | Description | |-------|--------|-----------|-------|-------------| | 0 | 1 | Byte | 0xC1 | [Packet type](PacketTypes.md) | | 1 | 1 | Byte | 7 | Packet header - length of the packet | | 2 | 1 | Byte | 0x1B | Packet header - packet type identifier | | 3 | 2 | ShortBigEndian | | SkillId | | 5 | 2 | ShortBigEndian | | PlayerId |