Here is an announcement from the development team. We would like to introduce you to the new features and changes in version 8.5.0.
■ Focus feedback will take place three times a week!
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Please see the notification titled Focus Return Schedule to find out when these events will take place.
■ Added new abilities for certain legendary heroes
Among the heroes appearing in the “Legendary and Mythical Heroes Remix” focuses, Sigurd, Chev. predestined, and Byleth, Star of Fódlan, gain new abilities.
○ New abilities
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・Special Ability
Sacred Aura II
Deadline: 2
At the start of the turn, confers the following effects on the unit during a turn: “the unit can move one additional space (valid for this turn only; cannot be combined)” and “if the unit initiates combat, reduces the damage of the enemy's first attack during combat by 40%. Increases the damage of the special ability by 30% of the unit's Atk.
After combat, if the special ability has been triggered, grants Atk/Def +6 and the following effects to the unit and all allies for one turn: “the unit can move one additional square ( valid for this turn only; cannot be combined)” and “if the unit initiates combat, reduces the damage of the enemy's first attack during combat by 40%” (bonus given to allies even if the unit's HP is reduced). unit drops to 0).
Ability reserved for the original unit.
・Ability B
Inflicts Def -4 on the enemy during combat, and if the enemy's Def is not affected by any effect canceling penalties, inflicts Def -7 on the enemy – the current penalty affecting their Def (0 minimum) during the fight. If the enemy's Def is affected by a penalty, inflicts +1 counter per attack on the enemy during combat. (If there are several similar effects, only the most powerful applies.) After combat, inflict Def -7 on the enemy until the end of their phase.
Seal Def 4
Not compatible : 
・Special Ability
Supreme Sky II
Deadline: 2
At the start of the turn, if the unit's special ability counter is at maximum, grants counter -1 to the unit.
Increases the damage of the special ability by 30% of the unit's Atk. Against a dragon or beast, increases the damage of the special ability to 60% instead of 30%.
If the special ability triggers, disables the effects of abilities (except special abilities) that reduce damage by a certain percentage.
Ability reserved for the original unit.
・Aptitude C
Wish Atk/Spd 4
At the start of the turn, if the unit is 2 squares or less from an ally, grants Atk/Vit +6 and the following effect to the unit for one turn: “the unit can move up to a square adjacent to an ally located 2 squares or less away.” If the unit is 2 squares or less from an ally, grants Atk/Vit +3 to the unit during combat.
Not compatible : 
Sigurd, Chev. Predestined, and Byleth, Star of Fódlan, have new weapons to upgrade. Check out the section called “New Weapons to Upgrade” to learn more.
■ Updated the list of heroes with limited-time military booklets
Following the launch of version 8.5.0, players will now be able to obtain Divine Scrolls: Instant 5 from events and exchange them for new limited-time military booklets using the Military Booklet Compilation feature.
Divine Scrolls: Instant 5 can be exchanged for the following military booklets:
Notes:
・ It will be possible to compile the military booklets added during this update until 6/28/2024 6:59(UTC).
・Divine Scrolls: Instant 5 can be obtained from events starting after the launch of Update 8.5.0.
・ Divine Scrolls: Instant 4 can continue to be obtained in events beginning before the launch of Update 8.5.0.
■ Added new weapons to upgrade
The following weapons can now be upgraded using Arena Medals and Divine Dew to gain new effects:
Amatsu
Heroes who can learn this ability: Say'ri, Blade of Chon'sin
Sanctified Tyrfing
Heroes who can learn this ability: Sigurd, Chev. predestined
Shadow Spear
Heroes who can learn this ability: Kris, Unsung Heroine
Pyrolance
Heroes who can learn this ability: Petrine, Hard Pyrolancer
Bloody Tome
Hero who can learn this ability: Lyon, Demon King
Professorial text
Hero who can learn this ability: Byleth, Star of Fódlan
Summer percussion
Heroes who can learn this ability: Mia, Sharp Harmony
Note: To unlock the Weapons Workshop, you must complete Chapter 13 of Book I of the scenario, then the second intermission, “The Ritual of the Blades”.
■ Added new souvenir events in the Duo Journey
○ Added new souvenir events.
■ Celestial Raid Mode Update
○ Increased the maximum level of certain structures:
・Clear Temple (A/D): Level 12
○ Ether Center Update
・Two new songs added to the Concert Hall: “Eternal Darkness” from Fire Emblem: Radiant Dawn and “Friendly Conversation” from Fire Emblem Engage.
■ Summoner Duels Update
○ You will be able to increase your favor level up to 4,300.
This will be implemented from the season starting 14/5/2024 7:00(UTC).
■ Heroic Grails
The following heroes can be summoned by spending heroic grails:
・Linhardt, Vernal Sleeper
・ Beaver, Devoted Son
■ Other modifications
○ Some adjustments have been made to the logic of the AI thought process. The procedures for completing certain maps in Maneuvers have changed due to these adjustments.
○ Changed the character Linus, Wild Dog. The character's eyes will now be golden in color.
○ We added Reduce Delay on Touch option in Settings.
When enabled, this feature is intended to help reduce the response lag sometimes experienced on some devices when players touch the edge of the screen.
This feature will be disabled by default. You can enable or disable it at any time in the “Settings” menu.
That's all there is to know about this update!
We hope you continue to have fun with Fire Emblem Heroes.