Turbo Mode is now available, and can be toggled on or off while giving orders to unions in battle. When on, battles play out at double the speed.Crimson Flare, a new Arcana, is now available.
New formations, such as Eremurus Rain, are now available.
Enemies hit considerably harder and have higher HP.
Rare Monsters have significantly higher HP than their XBOX 360 counterparts.
Arcana require substantially more AP.
Unique Arts now require AP.
Remnant Arts can only be performed by union leader, Weapon Arts now require high union morale.
Wards now affect the entire union.
Attributes required for formation upgrades are vastly different.
Healing no longer raises morale, and morale increased by Critical Hits has been dramatically reduced.
Linking additional enemies together does not increase your Battle Rank further than having fought them separately.
Special commands, such as the use of David's Gae Bolg, are no longer interrupted by being raidlocked by a different union or having targeted enemy union defeated by an ally.
Allies now have the option to cure a friendly union's curse status ailment via "Cure them even if it kills them!" command. This command is in the XBOX 360 version as well, but is only available when the union is Enthralled; it will not be available when the union is cursed.
You can now toggle between viewing the stats of a weapon or shield and viewing a preview of what it looks like in battle.
Components and consumables are now categorized.
Items are now color-coded based on their rarity.
Creation or customization of some items require fewer components.
New items available via Blueprint 4.
Various weapon stats have changed.
Some very rare monster-specific drops can now be split from monsters (e.g., Godwood Timber, Spiritwood Timber).
The leader limit is no longer imposed. Unions can be composed entirely of leader units if the player desires.
Likewise, soldiers can now be set as union leaders.
The stat cap has been lifted for all characters to allow a maximum of 255 for each stat.
The Seven are now recruitable after completing Union of the Golden Chalice Task #70: For Our Lord.
Rush can now be removed from the active party.
Khrynia can learn the new Unique Art Dual Snowpetal.
Arts can be disabled, filtering which skills a unit may use in combat.
Leaders' requested components are displayed when viewing their stats.
Leaders' wield style can be changed depending on their equipped weapon.
Shields now prevent style changes mid-battle.
The following classes now prevent style changes: Guardian, Scout, Hunter, Wanderer, Thief, Alchemist, all Mystic classes, Vagrant, Mercenary, Aristocrat, Djin, Fortuneteller, Sage and General.
The experience required to advance Wield Style skills has been reduced, and the experience required to advance Weapon Type skills has been increased.
Three new classes are now available: Ataraxian, Cleric, and Ninja.
The Guardian, Fencer, and Warrior classes now require non-sovani wield styles, and are thus not available to Sovani.
The Gladiator class now requires Power Grip and Wards.
Hybrid classes can now be achieved by units who do not start in one.
Some leaders now have a different weapon upgrade path, which caused some units to learn new Weapon Arts while others lost theirs.
Leaders can request weapons that do not coincide with their weapon upgrade path as long as they match their equipped weapon type and size.
Some leaders have had their starting class, equipment, arts, and hiring wage changed.
The completion of At Hatred's End is no longer required in order to activate Things Unchangeable.
Duke of Ghor now has a … icon when you speak with him between the first, third, and fifth base battles.
The component requirements in The Assistant have lowered.
The DLC content is now unlocked differently; the majority of the extra content now requires the completion of certain guild tasks.
The Leader Extraordinaire guild tasks which required three units of a single class now only require one.
The Monsterslayer guild tasks require different enemies to be defeated.
After the epilogue and credits, you can now save your game. When you're taken back to the main menu, you can load this save to begin a new playthrough with all of the components, formations, maps and other items found during your previous game. This is colloquially known as a "New Game Plus".