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:Emsi Grzesiu
Gender:male
Profession:Paladin
Level:37
Residence:Thais
Last Login:19 February 2026
Account Status:Premium Account
Created:14 February 2026
Last experience
DateExperience
18/02 7:00 - 19/02 7:00This player has gained 563,970 experience this day.
17/02 7:00 - 18/02 7:00This player has gained 171,129 experience this day.
16/02 7:00 - 17/02 7:00This player has not gained any experience this day.
15/02 7:00 - 16/02 7:00This player has not gained any experience this day.
14/02 7:00 - 15/02 7:00This player has not gained any experience this day.
13/02 7:00 - 14/02 7:00This player has not gained any experience this day.
12/02 7:00 - 13/02 7:00This player has not gained any experience this day.
Latest deaths
19 Feb 2026, 02:19killed at level 38 by Dechazz
19 Feb 2026, 01:43killed at level 37 by a dragon lord
19 Feb 2026, 01:13killed at level 35 by a dragon lord
19 Feb 2026, 00:14killed at level 29 by a dragon
19 Feb 2026, 00:01killed at level 30 by a dragon lord and a dragon

Account characters
NameInformationStatus
1. Emsi Grzesiu (currently viewing)37 PaladinOnline
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