If you are having an error while opening the client today - please follow the steps:

1. Go to %appdata%/Kasteria/Kasteria_v3.0
2. Copy lootconfig.otml, config.otml, minimap.otmm and hotkeys_1.otml
3. Remove Kasteria_v3.0 directory
4. Open client again
5. Close the client
6. Paste previously copied configs into Kasteria_v3.0 directory

Voila, client supposed to be open without any issues!
Legacy world starts in:
10 February 2026
Character information A
Name:Bicz
Gender:male
Profession:Elite Knight
Level:37
Residence:Thais
Last Login:14 March 2026
Account Status:Free Account
Created:22 February 2026
Last experience
DateExperience
13/03 7:00 - 14/03 7:00This player has gained 110,568 experience this day.
12/03 7:00 - 13/03 7:00This player has not gained any experience this day.
11/03 7:00 - 12/03 7:00This player has gained 160,784 experience this day.
10/03 7:00 - 11/03 7:00This player has gained 180,248 experience this day.
09/03 7:00 - 10/03 7:00This player has not gained any experience this day.
08/03 7:00 - 09/03 7:00This player has not gained any experience this day.
07/03 7:00 - 08/03 7:00This player has not gained any experience this day.
Latest deaths
11 Mar 2026, 08:34killed at level 32 by a dwarf guard and a dwarf guard
10 Mar 2026, 17:16killed at level 28 by a dwarf guard
3 Mar 2026, 20:07killed at level 26 by an orc leader
3 Mar 2026, 19:38killed at level 26 by a tarantula
3 Mar 2026, 18:47killed at level 25 by Coffeine

Account characters
NameInformationStatus
1. Bicz (currently viewing)37 Elite KnightOnline
2. Biczu1 RookstayerOffline
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