- "A laser gun used by the Federal Army. Destroys objects at the molecular level."
- —Star Ocean: The Second StoryPhase Gun is an ability that is a recurring Special Art in the Star Ocean series and a Field Action skill in Star Ocean: Blue Sphere. It is a type of weapon that is also used as a special attack by Claude C. Kenny during all of his appearances.
|Character||MP Cost||Level/Item Learned||Top Proficiency|
|Claude C. Kenny||0||Default||N/A|
The Phase Gun is an extremely powerful ability that activates from a short distance. This ability is lost when the gun runs out of power while breaking into Allen Tucks's manor.
|Name||MP Cost||Level/Item Learned|
|Claude C. Kenny||22||Default|
Claude returns with the Phase Gun as a special art. This time the skill is permanent.
When used in the field, the Phase Gun acts as a projectile that can surprise enemies and destroy weak obstacles like bushes and debris.
- The Phase Gun is not usable at any point during Rena Lanford's scenario.
- Maria Traydor's Energy Burst Battle Skill resembles the Phase Gun's burst in Star Ocean EX.
|Star Ocean: Blue Sphere Special Arts|
|Claude C. Kenny||Phase Gun - Sword of Life - Rock Explosion - Dragon Roar - Sword Bomber - Mirror Blade - Fukuryuu Shichiseiha|
|Ashton Anchors||Vanishing Swords - Hurricane Slash - Dragon Attack - Sword Dance - Dragon Bite - Tri-Ace - Spirit Dragon|
|Precis F. Neumann||Hole-y Mole-y - Forcefield - Missile - Tremors - Seige Attack - Daruma Strike!|
|Dias Flac||Chaos Sword - Moonlight Arc - Phoenix Drive - Full Moon Slash - Deadly Illusion - Phoenix Blast - White Tiger Pair|
|Bowman Jeane||Neck Snap - Phoenix Talons - Hurricane Kick - Deadly Intersection - Oukarengeki - Ouka Sakuretsujin|
|Opera Vectra||Flame Launcher - Tracking Plasma - Dispersion Ray - Blizzard Swirl - Gravitational Sphere - Electric Shockwave - Holy Star - Hyperlauncher - Blitz Tactics|
|Ernest Raviede||Sandstorm - Bed of Roses - Thunder Whip - Sonic Whip - Grand Slash - Final Whip|
|Chisato Madison||Burning Cards - 100,000 Volts - Flamethrower - Maibo - Missile Strike - Fire Shot - Jinguu Senretsuken|