Special Thanks to Ancyker for not only reporting the bug but for testing/elaborating the packet's structure.
Under no langtype client bugs char server with packet 0x8fc on renaming request.[quote]
[22:38:37] <Ancyker> confrimed, made character ID huge
[22:38:38] <Ancyker> FC 08 67 E3 16 00 54 68 69 73 33 31 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[22:38:47] <Ancyker> 67 E3 16
[22:38:54] <Ancyker> 16 E3 67
[22:39:06] <Ancyker> 16E367 = 1,500,007
[22:39:07] <Ancyker> lol
[22:40:48] <Ancyker> ah ha
[22:41:03] <Ancyker> confirmed my suspicion
[22:41:08] <Ancyker> FC 08 87 D1 F0 08 54 68 69 73 33 31 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[22:41:12] <Ancyker> that 00 is part of it too
[22:41:19] <Ancyker> 87 D1 F0 08
...
[22:42:00] <Ancyker> Packet.[ FC 08 ] CharID.[ 87 D1 F0 08 ] Name.[ 54 68 69 73 33 31 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ]
[22:42:14] <Ancyker> and the end seems to always be 00
[22:42:22] <Ancyker> Packet.[ FC 08 ] CharID.[ 87 D1 F0 08 ] Name.[ 54 68 69 73 33 31 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ] Padding.[ 00 ][/quote]