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[16.09.2026] Changelog - Patch 4.0 - Season IX

Additions

New Outfits & Mounts

• Added 4 new outfits.

• Added 3 new mounts.

• More details:
  • Outfits & Addons - OxygenOT
  • Mounts - OxygenOT

Character Undelete

• Deleted characters can now be restored within 15 days of deletion.
• After the 15-day recovery period expires, the character will be permanently deleted and can no longer be restored.
• As part of introducing this system, all characters that had already been deleted before this update have been permanently removed.

Mail System

• The Mail System is now fully functional.
• You can now send Parcels and Letters to other players.
• To send a Parcel or Letter, simply write the recipient's character name on the top of the label or letter.
• The system will automatically deliver it to the specified player.

Ingame Spell List

• Added a new Spell List and Cooldown Window directly in the client.
• Updated the !spells command to open the Spell List.

Event Participation Rewards

• Players who are kicked from CTF or Battlefield to balance the teams will now receive 1 Event Point.
• Players who remain inside the CTF, Battlefield, or Zombie waiting room until the event waiting period ends will receive 1 Event Point if the event cannot start due to insufficient participants.
  • Players who leave the waiting room early will not receive the point.
  • Players who are automatically removed after the waiting period will receive the point.
• More details:
  • Events - OxygenOT

Adjustments & Balancing

Frag System Rework

• Simplified the Frag system by removing the Daily, Weekly, and Monthly Frag limits.
• Frags are now counted as Total Frags only.
• The punishment limits remain unchanged:
  • 10 Frags → Red Skull
  • 20 Frags → Banishment
• PVP-E Day remains unchanged and continues using its own separate Frag system.
• Updated the !frags command to support the new Frag system.
• More details:
  • PVP - OxygenOT

Players Below Protection Level 150

• Changed the PvP protection system for players below level 150.
  • Players level 150+ can attack players below level 150 without receiving a Skull, gaining Frags, or receiving PZ Lock.
  • PvP Mode must be enabled, but there is no need to disable Safe PvP or change the attack level.
  • Players below level 150 cannot attack other players.
  • They can still die normally to monsters, including inside town range.
  • If another player would kill them, they will instead be teleported back to their temple.
  • This protection applies only within the entire town area and does not apply outside town.
• This change was introduced to prevent low-level characters from being used to interfere with or abuse the PvP system.

Target Visibility

• Changed the visibility requirement for targeting players with spells and weapons.
  • Players can now only attack or heal another player if both characters can see each other.
  • Seeing only the player's name at the edge of the screen is no longer sufficient.
  • This mainly affects situations around the northern and southern edges of the screen where a player's name could previously be visible while their character was not.
• No spell, weapon, or attack range has been changed or reduced.
• The change only affects the visibility requirement of the target.

Inspect Visibility

• Added a new Player Settings option to Allow Inspect:
  • All — Everyone can inspect you.
  • Guild — Only guild members can inspect you.
  • Party — Only party members can inspect you.
  • OFF — No one can inspect you.
• You still can inspect yourself to check your stats always.

Damage Number Display

• Added a new Player Settings option to change how damage numbers are displayed:
  • Normal, k, m, b
  • The option is disabled by default.
  • The selected format is also applied to the Server Log.

Behemoth Spawn

• Added Vampires to the Behemoth hunting spawn.

Boss Loot Messages

• Added rarity-based colors to Boss Loot messages.
• Rare and valuable loot is now easier to identify.

Website Updates

Market & Character Market

• Added a Show My Offers filter to both the Market and Character Market pages.
• You can now easily view all offers you have listed from your account.

Character Market

• Fixed an issue with the Vocation Filter.
  • Selecting a vocation now displays characters of that vocation, including all of its promotions.

Website

• Fixed several reported issues across the website.

Map & Spawn Updates

Hourly Bosses

• Modified the spawn locations of all hourly bosses.
  • Bosses now spawn on a separate floor or behind walls with a door.
  • This prevents Cave Bot users in nearby hunting areas from accidentally entering boss areas and triggering an AFK Check.
  • Players using Cave Bot should update their waypoints to avoid entering these areas.
• While an hourly boss is alive, you can check its exact spawn location using:
  • !exiva BOSSNAME

Map Fixes

• Fixed several reported map issues.
• Fixed an issue that allowed players to Browse Field on house tiles.
• Fixed an issue with the exits of Bragrumol and Arbaziloth that could cause players with White Skull to be sent directly to the temple and lose PZ Lock.
• Players can no longer be pushed while standing on Waypoint Tiles.

Systems & Mechanics

Monster Corpses

• Optimized monster corpses to work correctly with monster death effects.

Offline Training

• Added an Offline Training Bar to the Skills Window.
• Replaced the previous login message with the new in-game display.

Inventory

• Fixed an issue where the minimized state of the Inventory was not saved correctly.
• The Inventory could previously become bugged after closing and reopening the client.

Fixes

Mobile Client

• Fixed an issue where Health and Mana bars could appear incorrectly on the mobile client.

Boss Corpses

• Fixed an issue where boss corpses would not decay correctly.

Frag System

• Fixed a rare issue where players could fail to receive a Frag and the 5-minute PZ Lock after initiating an attack on another player.

Server Stability

• Fixed several issues that could cause the server to freeze for approximately 2 seconds.

Death & Level Up

• Fixed a very rare issue where a character could survive after reaching 0 HP and 0 Mana due to leveling up.
• Characters will now correctly die when reaching 0 HP and 0 Mana.

Crafting

• Fixed an issue where item tooltips were not displayed correctly in the Craft Window.

Molten Boots

• Fixed the stats of Molten Boots.

Reflect

• Fixed an issue where Reflect stats were displayed on certain items, causing unnecessary and repetitive messages.

Nexus Rune

• Fixed an issue where using the Nexus Rune to reset upgrades also reset upgraded stats instead of only resetting available upgrade slots.

Inspect Window

• Improved the Inspect Window to make it more advanced, organized, and informative.
  • Added HP/Mana regeneration per second.
  • Added Armor.
  • Added Defense.
  • Added Attack.
  • Added Elemental Protection.
  • Added Reflect stats.

Client Updates

Client Update 4.1.2

• Released for Windows and Android.
• Added required client-side changes for the latest game updates.
• Added several performance optimizations to improve FPS and reduce CPU usage.

Client Update 4.1.3

• Released for Windows and Android.
• Optimized the Android client for a smoother and more user-friendly experience.
• Added new Top Bar settings to choose which buttons are displayed.
• Improved the Top Bar to prevent icons from overlapping with buttons on the left side.
• Moved FPS and Ping indicators to the top-left corner directly below the Top Bar.
• Improved and optimized the Keypad interface.

Client Update 4.1.4

• Released for Windows and Android.
• Added a Reset UI button to the Rest UI settings.
• Fixed an issue with the Battle List.
• Fixed a minor issue with mobile client buttons.

Client Update 4.1.5

• Released for Desktop and Android.
• Improved the Dungeon Window with more detailed information about the dungeon and boss.

Client Update 4.1.6

• Released for Windows and Android.
• Fixed a visual issue affecting Prey timers.

Client Update 4.1.7

• Released for Windows and Android.
• Added the latest Minimap updates reflecting the new hourly boss locations.

Client Update 4.1.8

• Released for Windows and Android.
• Added all required client-side changes for the latest game updates.
• Fixed an issue where condition icons would shrink when hovering over them with the mouse.

Android APK v2.0

• Released Android Client APK v2.0.
• This update was required to log in after the next server save and support the latest client changes.

Client Update 4.1.9

• Released for Windows and Android.
• Added all required client-side changes for the latest game updates.
• The update was recommended to prevent glitches or issues with the Inspect and Player Settings windows.

Client Update 4.2.0

UI Improvements

• • Added side arrows to make opening panels easier without navigating through Options.
  • Improved the appearance of the Options images.
  • Fixed several issues with Inspect and item tooltips related to Reflect stats.
  • Improved assigning spells to Action Bars.
    • Added filters to make it easier to find spells based on level.

Client Data Management

• • Added new Open Data, Export, and Import options under Options → Custom.
  • You can now directly open the client Data folder to edit your configuration files.
  • Added the ability to export your client configuration.
    • Exported files do not include the client executable, map, or log files.
    • The export mainly contains configuration files.
  • Added an Import option to restore previously exported configurations.
  • This makes it significantly easier to transfer configurations between Desktop and Android clients.

Android Client

• • Added an update notification for Android users when a new APK version is available.
  • Players will now be notified when they need to update their APK.

OxyBot Updates

• • Improved the client updater to automatically update OxyBot files without overwriting manually edited files.
  • The client will notify you when a file could not be updated because it was modified by you.
  • To restore the original version of an edited file, simply remove the edited file and allow the client to download the original version.

Client Updater

• • Improved the updater to automatically retry failed or interrupted downloads.
  • If an update fails or the connection is lost, the updater will retry automatically:
    • 5 seconds, 10 seconds, 15 seconds and so on up to 60 seconds.
  • Once it reaches 60 seconds, it will continue retrying every 60 seconds until the update succeeds or is cancelled.
  • This prevents failed updates from requiring players to restart the client and begin the update process again.

Automatic Updates on Global Server Save

• • The client now checks for updates when the Character List is opened.
  • If an update is available after a server save or relog, the client will automatically download and apply it.
  • After updating, the client will restart and automatically log back into the same character.
  • This allows players who are AFK during a server save to receive client updates automatically without being blocked from returning to the game due to an outdated client.

Outfit Window

• • Fixed an issue with the Outfit Window when selecting Wings.
  • Optimized several Wings that were displayed incorrectly compared to how they appeared in-game.
  • Before:

• • After:

Client Stability

• • Fixed several additional issues to improve overall client stability and performance.

Android APK Version 2.1

• This update includes the latest Android client changes.

Important Client Update Notes

• Client updates will become available 5 minutes before the next server save.
• Make sure to apply the required updates before attempting to log in after the server save.
• The latest client version will be required to log in after the applicable server save.

Windows Defender

• Some Windows Defender installations may incorrectly detect the updated client executable files as malware.
• This is a false positive caused by the executable files.
• Keeping Windows Defender and Windows fully updated can help prevent these false detections.
• Updated client files will also be available on the website Download page with the next server save.
• If you prefer to download a fresh client, remove data.zip from:
  • %appdata%/OxygenOT/OxygenOT IX_v4
• Then start the client normally.

Notes

• Some changes are live and rest will be live with next server save.
• Make sure your client is updated to the required version before the next server save.

Dear Oxygen Family,

We’re excited to announce our upcoming Weekend Event packed with powerful bonuses to boost your progress and rewards!

Bonuses:

• 100% extra chance to receive rewards from daily chests including attribute points.
• 50% extra skill and magic gain rate.
• 20% extra premium points with every purchase.

Event Duration:

• From Friday’s Server Save (11/09/2026)
• Until Monday’s Server Save (14/09/2026)

Make the most of it and enjoy the event!