C1 90 - DevilSquareEnterRequest (by client)

Is sent when

The player requests to enter the devil square through the Charon NPC.

Causes the following actions on the server side

The server checks if the player can enter the event and sends a response (Code 0x90) back to the client. If it was successful, the character gets moved to the event map.

Structure

Index	Length	Data Type	Value	Description
0	1	Byte	0xC1	Packet type
1	1	Byte	5	Packet header - length of the packet
2	1	Byte	0x90	Packet header - packet type identifier
3	1	Byte		SquareLevel; The level of the devil square, minus 1.
4	1	Byte		TicketItemInventoryIndex; The index of the ticket item in the inventory. Be aware, that the value is 12 higher than it should be - it makes no sense, but it is what it is…