C1 66 - GuildInfoRequest (by client)
Is sent when
A player gets another player into view range which is in a guild, and the guild identifier is unknown (=not cached yet by previous requests) to him.
Causes the following actions on the server side
The server sends a response which includes the guild name and emblem.
|1||1||Byte||6||Packet header - length of the packet|
|2||1||Byte||0x66||Packet header - packet type identifier|