1. Lobby
        1.1. Tech Lab Update
                ‘Faded Memories’ – themed limited items will be updated in the Tech Lab.
                New Skins added
                        Teen Shoichi (Live2D Animated Skin)
                        Childhood Chiara
                        Childhood Daniel
                (These items will be available for purchase starting from the maintenance completion date November 17th, 2021 ~ December 1st, 2021. Visit Mystery PC/Mileage Shop to obtain the Tech Lab products.)
                (*Remaining Mileage will automatically change to Gems upon update*)
                New Theme and Deco Items
                        New background theme added related to ‘Faded Memories’

                In-game Search Effect Items
                        Contorted Watch (Limited)
                        Analog Wireless Radio
                        Globular Time Capsule

        1.2. New Tournament Items added
                New items are added to the Tournament Shop.
                        New monologue added
                                Alex’s Monologue

        1.3. New Voice Packs added
                Two new voice packs will be added for sale.
                        Newly added voice packs
                                Hoodlum Luke
                                Stage Magician Emma

        1.4. New Theme Collection added
                Two new theme collections will be added to the game
                        Newly added collections
                                2019 A Not Silent Night
                                2020 Virtue and Vice

        1.5. New PvE Items added
                New items will be available for PvE in the game.
                        Newly added skins
                                Enraged HyunWoo

        1.6. Season 10 Test Subject Voting Notice
                The Season 10 Test Subject Voting period will be until November 18th, 2021.

        1.7. 6th Anniversary Event
                Immortal Soul: Black Survival will commence the following events in conjunction with our 6th anniversary.
                        6th Anniversary Log-in Event
                                All players will be able to obtain various rewards by log-in into the game during the event period.
                        6th Anniversary Gameplay Event
                                All players will be able to obtain various rewards by accumulating certain hours of gameplay during the event.
                        6th Anniversary Live2D Confirmed Special Gacha Event
                                All players will be able to obtain a 00% of chance in obtaining Live2D skin.
        (*The special voice announcement reward which will be distributed during log-in event will be voiced in Korean language*)

2. PvP
        2.1. Fiora
                Contre-attaque (Classic and Team)
                        Cooldown time : 90 secs->70 secs.

        2.2. XiuKai
                Feeling Hot! (Classic and Team)
                        Stamina consumption : 16%->10%

        2.3. Laura
                Burglar Chic (Classic and Team)
                        Reallocating the skill stats
                                0 ~ 2 slots : Accuracy +10%, Total attack damage +5%
                                3~6 slots : Accuracy +5%, Total attack damage +10%
                Casing the Joint (Classic and Team)
                        Additional damage : 1/2/3/4/5-> 1/2/3/5/7

        2.4. Tia
                GO! Squirrel! (Classic and Team)
                        Paints needed to activate : 15->12

        2.5. Supply Adjustments
                Type A Supply
                        Removed Ammo
                        Removed Arrows
                Icebox Supply
                        Removed Ammo
                        Removed Arrows

3. PvE
        3.1. New characters for PvE
                Players are now able to use these characters in PvE mode:
                        Li Dailin

        3.2. Added new Enraged Test Subjects
                New Enraged Test Subjects have been added: Enraged HyunWoo

4. Bugfixes
        PvP (Classic)
                Fixed the abnormal disappearance of supply requesting icon when the Research Center was opened by hacking.