Hello, this is the Eisen Development Team.

First of all, we would like to sincerely apologize to our players.
We discovered an issue where some fixes were not properly applied during the deployment of the previous build (v1.0.07a). We are releasing the v1.0.09a hotfix to correct this and include all the adjustments that were previously omitted.

Please refer to the details below for the patch notes.

■ Enhancement System
- Fixed logic errors related to the enhancement (upgrade) system.

■ Combat & Abilities
- Lightning Ability: Improved chain mechanics and behavior.
- Ability Consistency Fixes: Adjusted the hitboxes and effects of various abilities, including Fireball, Icicle Lance, and Magic Rune.
- Bosses: Tweaked certain boss attack patterns and skill visual effects.

■ Performance & Optimization
- Optimized calculations for enemy defeat detection and the status effect system.

■ Other Improvements
- Improved multilingual text translations (Korean, English, Japanese) and fixed typos.
- Enhanced UI visibility and fixed display issues.

※ Notice
- The update will be applied automatically when you restart your Steam client.

We apologize once again for the inconvenience caused to your gameplay. We will do our best to provide a more stable gaming environment by conducting more thorough tests before future deployments.

Thank you to all the players who always support and enjoy Eisen.

- The Eisen Development Team