- Added the "Lithograph of Kemono" function, which allows you to change the player-controlled Friend. (Requirements for use are clearing the main game and a 100% rescue rate.)
- Added a feature that reduces the resistance of the boss Cellien to 0 when its remaining HP is 1, using the Kaban's "Paper Plane," Margay's "Voice Mimicry," and various abnormal conditions.
- Added a feature that allows the boss Cellien's HP to be reduced to 0 by attacks from non-controlled Friends when the boss Cellien is inflicted with an abnormal condition by an attack from a player-controlled Friend (excluding items).
- Added "Serval only" and "Only when attacked" to the "Disable Invincibility" setting.
- Added "Serval only" to the "Hell mode" setting.
- Extended the time that advance input for jump operations is accepted. (0.15 seconds → 0.2 seconds)
- Slightly reduced the time until a counter is possible when a Just Dodge is successful. (0.3 seconds → 0.275 seconds)
- Added a feature that allows the combo stage to be carried over when a combo attack is performed with a Just Dodge Counter.
- Added a feature that extends the maximum distance that the action of approaching the enemy can be moved closer to the enemy when a Just Dodge Counter is performed with a Serval or player-controlled Another Serval combo attack.
- Added a feature that allows the action of approaching the enemy to be moved closer to the enemy when a Just Dodge Counter is performed with a Serval spin attack.
- Added a feature that allows the dodge step to be canceled with a dodge step when a Just Dodge is successful. (In this case, the Just Dodge detection is immediately effective.)
- Fixed a bug that caused the feet to float or sink in some motions for Friends in general.
- Adjusted the playback speed of Friends' walking motions.
- Added an effect in which Friends' footprints are left on the ground in the Snowy Mountains region.
- Fixed the Kaban's "Paper Plane," the Asian Small-Clawed Otter's "Play with Stones," and the Silver Fox's "Homemade Explosives" so that they are thrown forward when there is no target.
- Abolished the feature that caused the hippo's "Big Mouth Challenge" cooldown to fluctuate (varied between 1.5 and 3.5 seconds → fixed at 3.5 seconds)
- Adjusted the motion so that the Jaguar's jump attack is easier to hit the Cellien's weak spot.
- Fixed a bug that caused the Japanese Crested Ibis' shadow to not be displayed.
- Adjusted the playback time of the Sand Cat's "Dig Hole" motion.
- Abolished the feature that caused stamina to temporarily not recover when using the Tsuchinoko's "Riddle Eyes Beam" when maximum stamina was low.
- Fixed a bug that sometimes caused a pitfall to not be created by the Black-tailed Prairie Dog's "Buried Alive" when its stamina was low.
- Adjusted the motion that is played for the 4th stage of the Moose's combo when the target is in a high position.
- Extended the maximum moving distance of the Moose's tackle and changed the easing to easeOut.
- Fixed a bug where the projectile launch effect did not occur for the 4th combo while the Lion's pride was active.
- Fixed a bug where the Northern White-faced Owl and Eurasian Eagle Owl would not be detected by Cellien unless they attacked.
- Fixed the Campo Flicker's "Nice Room" to function properly in the air.
- Fixed a bug where the Campo Flicker's "Nice Room" was not generated in the correct position on the 6th floor of the Savannah region, for example.
- Adjusted the playback time of the motion of the 3rd combo of the Gray Wolf.
- Abolished the increase in the motion speed of the reticulated Giraffe's "necking" when released into the wild.
- Adjusted the playback time of the motion of the 3rd combo of the Golden Snub-nosed Monkey.
- Fixed a bug where the Brown Bear would not move up or down when its "Strongest Bear Stamp" was activated.
- Adjusted the playback time of the Raccoon's spinning punch motion.
- In regards to the behavior of some Celliens that try to maintain a certain distance from the target while attacking, the minimum speed multiplier when approaching the target distance has been changed from 50% to 20%.
(Fixed a bug that caused Celliens to tremble slightly while attacking when holding a purple Minmi Statue.)
- Fixed a bug that caused Red Growl and Birdlien's fireballs to remain even when switching floors.
- Fixed a bug that caused the laser effect of Heliozoa to continue to be displayed after falling outside the arena.
- Fixed a bug that disabled the animation that temporarily hides the weak point stone in Heliozoa's knockdown motion.
- Fixed a bug that played an effect that hides the weak point stone when Heliozoa is knocked down by falling outside the arena with a special knockdown.
- Adjusted the timeline of events during the second form of the final boss.
- Adjusted the progression of events after defeating the boss Cellien on the 33rd floor of the Skytree to proceed slightly slower.
- Fixed a bug that caused the screen to remain blurry if the game ended while viewing the "Cellien Encyclopedia."
- Fixed a bug that caused Serval's movements to become strange in the air immediately after the event at Sunrise Port.
- Changed the wording of some options in the Japanese version. ("サーバルのみオン" -> "サーバルのみ")
- Fixed a bug that caused the brightness of the outline to differ from the Japanese font when displaying Ming-style characters not included in the Japanese font (Simplified Chinese, Hangul).
- Fixed a bug in the Chinese version that caused the outline of some characters in the results of the combat training "BOSS RUSH 2" to not be displayed correctly.