Second Form

Second Form is a Formchange in Kingdom Hearts III. It transforms Sora's clothes into the color scheme of his attire from Kingdom Hearts II and allows him to harness abilities from his past adventures. It is triggered by the Kingdom Key, Starlight, Midnight Blue, Phantom Green, Dawn Till Dusk, Elemental Encoder, and Advent Red Keyblades.

Each Keyblade has a nominally different Formchange — "Second Form", "Second Form S", "Second Form M", "Second Form P", "Second Form D", "Second Form E", and "Second Form A", respectively. Second Form S is the only variant that mechanically differs from the others.

Design
Second Form changes Sora's clothes into the same colors and style of his Kingdom Hearts II attire. Second Form alters Sora's appearance in other worlds:


 * In his Toy Box form, Sora's blocks and patterns take on a similar appearance to his Kingdom Hearts II attire.


 * In his Monstropolis form, Sora's jacket is identical to his normal form's Second Form jacket, and his fur is golden yellow with blue stripes.


 * In his The Caribbean form, Sora's bandana, cuff links and coattail are grey. His jacket is grey with blue lines, and there are two crossing Keyblades on his hat.

The name refers to how it transforms Sora's clothes into his Kingdom Hearts II attire.

Mechanics
In Kingdom Hearts III, Second Form, Second Form S, Second Form M, Second Form P, Second Form D, Second Form E, and Second Form A are the respective Formchanges of the Kingdom Key, Starlight, Midnight Blue, Phantom Green, Dawn Till Dusk, Elemental Encoder, and Advent Red Keyblades. Second Form grants Sora several abilities from Kingdom Hearts and Kingdom Hearts II, and has a maximum combo length of 6. At any time, Sora can use a situation command finisher that will also terminate the Formchange. Each time he fills the Situation Gauge, this finisher is replaced with a more powerful finisher—first Stun Impact, then Sonic Blade, and finally Ars Arcanum, or Ancient Light in the case of Second Form S. If Sora has Falling Slash, Quick Slash, Flash Step, Radial Blaster, Aerial Sweep, or Aerial Dive equipped, these abilities will be incorporated into Second Form's combos.

Strategy
Second Form is best suited for single target ground encounters or battles that give Sora breathing room to focus on one enemy at a time. When used for battling hordes, the player should focus on airborne enemies as this allows Sora to use Magnet Burst to drag in more enemies around him to no only do more damage, but to also fill up the situation bar faster. This tactic is especially useful for Second Form S because its third-level finisher, Ancient Light, allows Sora to annihilate groups of enemies faster.

Although Ars Arcanum deals significantly more damage than Sonic Blade and Stun Impact, the former two can still be useful during low HP situations for the invulnerability they grant.