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:Skull Prox
Gender:male
Profession:Elite Knight
Level:256
Residence:Ankrahmun
House:Arakmehn III (Ankrahmun) is paid until Jan 1 1970
Guild Membership:Member of the Kasteria Friends
Last Login:21 July 2026
Account Status:Premium Account
Created:7 April 2026
Last experience
DateExperience
20/07 7:00 - 21/07 7:00This player has gained 5,797,150 experience this day.
19/07 7:00 - 20/07 7:00This player has gained 3,547,311 experience this day.
18/07 7:00 - 19/07 7:00This player has gained 1,737,375 experience this day.
17/07 7:00 - 18/07 7:00This player has gained 8,379,008 experience this day.
16/07 7:00 - 17/07 7:00This player has gained 9,856,030 experience this day.
15/07 7:00 - 16/07 7:00This player has gained 8,724,361 experience this day.
14/07 7:00 - 15/07 7:00This player has gained 7,716,970 experience this day.
Latest deaths
20 Jul 2026, 01:19killed at level 255 by a venom dragon and a venom dragon
5 Jul 2026, 03:33killed at level 225 by a grim reaper
3 Jul 2026, 21:59killed at level 221 by a hydra and a hydra
28 Jun 2026, 20:30killed at level 205 by a hero
25 Jun 2026, 14:50killed at level 193 by a chaos hydra and a chaos hydra

Account characters
NameInformationStatus
1. Skull Prox (currently viewing)256 Elite KnightOnline
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